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King size mattress protectors
Unfortunately, no deals have been found for King size mattress protectors today
NOW
£ 6.99
£ 14.99
9'' Mattress Protector with Optional Pillow Protector Pair - 5 Sizes
NOW
£ 179.00
£ 359.00
PRICE DROP! Emma Original Mattress - Refurbished, Brand New & Mattress Protector Options!
206 bought
NOW
£ 27.99
£ 34.20
Trendi Inflatable Air Mattress with Built-In Electric Pump - Single or King Size
1 bought
NOW
£ 269.00
£ 399.00
Dormeo Octasmart Plus Memory Foam Mattress - Double, King, and Super King Options - Pressure Relief & Breathable
10 bought
NOW
£ 9.99
£ 30.00
Bed Bug Resistant Water Resistant Mattress Protector in 5 Sizes!
2 bought
NOW
£ 10.99
£ 18.00
DreamEasy Quilted Waterproof Mattress Protector - 6 Sizes!
9 bought
NOW
£ 7.99
£ 22.99
Hotel Quality Extra Deep Bedbug Resistant Hypoallergenic Mattress Protector - 4 Sizes, Quilted & Durable
NOW
£ 299.00
£ 465.00
Signature Fabric Storage Bed with Padded Headboard and Four Drawers - Double & King Size
NOW
£ 39.99
£ 89.99
Dreamcatcher Deluxe Inflatable Air Bed Mattress - Double or King, Enhanced Support
NOW
£ 130.00
£ 279.00
1500 Pocket Sprung Medium-firm Soufflé Mattress - Pressure Relief & Enhanced Support (Small Single to Super King)
NOW
£ 103.00
£ 180.00
White Plush Divan Bed with Storage Drawers, Plush Upholstery & Memory Sprung Mattress - Single, Double, King
66 bought
NOW
£ 174.99
£ 499.99
PRICE DROP! Ottoman Divan Bed with Gas Lift Storage, Premium Fabric & Optional Mattress - Single, Double or King
- Brand: Sleep Softly Ltd t/a UKFurniture4U
- Gender: Unisex
- Location: National Deal
43 bought
NOW
£ 319.00
£ 329.99
Artemis King Size Velvet-Finish Ottoman Bed with Cushioned Headboard
NOW
£ 319.00
£ 404.00
Amos Beige Velvet Ottoman Bed with Side Lift Storage & Oval Headboard - Double or King Size
NOW
£ 599.00
£ 1520.00
Dior Bespoke Bed Frame and Mattress, Super King, Grey Plush Fabric
1204 bought
NOW
£ 109.00
£ 219.99
Memory Foam Hybrid Sprung Mattress, 5ft king, Grey
5251 bought
NOW
£ 49.00
£ 129.99
Zig Zag Memory Fibre Hybrid Mattress - Single, Double, King & More
334 bought
NOW
£ 179.00
£ 264.50
EARLY BIRD! MAX Hybrid Memory Foam Mattress - Pressure Relief & Support (Single, Double, King)
1 bought
NOW
£ 79.00
£ 190.00
Crushed Velvet Divan Bed with 4-Drawer Storage, Crushed Velvet & Memory Foam Mattress - Double, King or Single
217 bought
NOW
£ 47.99
£ 129.99
Contemporary Metal Platform Bed with Slatted Frame - Single, Double, or King
NOW
£ 199.00
£ 325.00
Elegant Danish Modern Bed Frame & Base - Double/King
NOW
£ 125.00
£ 369.99
Amelia Wooden Bed Frame with Panelled Headboard & Oak Veneer Finish - Double or King Siz
NOW
£ 200.00
£ 699.99
EARLY BIRD! Modern Boucle Bed Frame & Base with Curved Headboard - Double or King
NOW
£ 19.99
£ 39.99
Luxury Thick Pure Cotton Fitted Bed Sheet - Soft, Breathable & Machine Washable - Single, Double, King & Super King Sizes
NOW
£ 10.99
£ 19.99
Luxury Satin Fitted Sheet Bedding Set - Hypoallergenic, Deep Pocket, Machine Washable - Double, King & Super King Sizes
NOW
£ 11.01
£ 20.00
Luxury Polycotton Blossom Border Duvet Set - Soft, Breathable, Machine Washable Classic Bedding in Single, Double, King & Super King Sizes
NOW
£ 219.00
£ 315.00
Milan Traditional Solid Wood Oak Bed Frame - Double & King Size
NOW
£ 219.00
£ 315.00
Milan Traditional Solid Dark Wood Bed Frame - Double or King Size
NOW
£ 11.99
£ 69.99
Teddy Bear Fleece Throw Blanket - Ultra-Soft Polyester, Double or King Size, Machine Washable
NOW
£ 84.99
£ 175.99
Metal Full Bed Frame with Rustic Wooden Headboard & Footboard, Slat Support - Single, Double, or King Size
- Brand: Mhstar Uk Ltd
- Gender: Unisex
- Material: Metal
1 bought
NOW
£ 100.00
£ 200.00
King Size Metal Bed Frame with Rustic Wood Headboard & Under-Bed Storage - Heavy Duty, Noise-Free Platform
1 bought
NOW
£ 19.99
Luxury Cotton Quilted Patchwork Bedspread Set - Soft, Breathable & Machine Washable, Double or King Size, 12 Colours
3 bought
NOW
£ 93.99
£ 255.99
PRICE DROP! King Size Metal Bed Frame with Storage Headboard - Industrial Rustic Brown Steel, 5.2FT, High Capacity
NOW
£ 21.47
£ 35.00
Luxury Cotton Blend Bedspread - Classic, Breathable & Machine Washable - Single, Double, King Sizes
NOW
£ 12.99
£ 19.99
Magnetic Waterproof Car Windscreen Shield - Large All-Weather Protector, Quick-Fit Cover
NOW
£ 19.99
£ 69.99
PRICE DROP! Non-Slip Waterproof Treadmill & Exercise Bike Mat - Heavy-Duty PVC, Shock-Absorbing, 6mm Thick, Floor Protector
122 bought
NOW
£ 14.99
£ 39.99
Cartoon Inspired ce Duvet Cover Set - Soft Polyester, Machine Washable, 12 Styles, Single/Double/King
NOW
£ 6.99
£ 19.99
2-Pack Anti-Allergy & Anti-Bedbug Pillow Protectors!
2 bought
NOW
£ 24.00
£ 34.99
Men's Mystery Football Shirt
250 bought
NOW
£ 29.99
Luxury 100% Egyptian Cotton Duvet Set - Soft, Breathable, Deep-Fitted Sheet, T250 Thread Count - Single, Double, King & Super King
NOW
£ 19.99
£ 34.99
Luxury Teddy Fleece Jumbo Corded Duvet Cover & Pillow Set - Ultra-Soft, Machine Washable, Modern Ribbed Bedding in Single, Double, King & Super King
NOW
£ 20.99
£ 59.99
Heavy Duty Waterproof Outdoor Patio Furniture Cover Protector
- Age group: Adult
- Brand: Eurotrade Ltd
- Gender: Unisex
91 bought
NOW
£ 24.00
£ 69.99
Waterproof Oxford Outdoor Garden Furniture Cover - 270cm Weather-Resistant Protector
280 bought
NOW
£ 22.99
£ 44.99
Corrugated Cardboard Cat Scratching Bed with Catnip - Retro Brown, Space-Saving, Furniture Protector
- Age group: Adult
- Gender: Unisex
- Location: National Deal
1 bought
NOW
£ 9.20
£ 21.99
Luxury Imitation Rabbit Plush Sofa Cover - Soft, All-Season, Multi-Use Protector for Fabric & Leather Sofas
- Brand: EPETLO RECRUITS LTD / Coolfordeal
- Gender: Unisex
- Location: National Deal
NOW
£ 9.99
£ 14.99
Garden Gear Weatherproof Compact Pop-Up Cloche - Mesh Plant Protector with Steel Frame & Secure Pegs
6 bought
NOW
£ 12.99
£ 35.00
Rose Polycotton Duvet Cover Set - Soft, Breathable, Machine Washable Floral Bedding - Single, Double, King & Super King
NOW
£ 19.67
£ 34.99
Luxury 300 Thread Count Cotton Duvet Cover Set - Soft, Breathable & Machine Washable Bedding in Single, Double, King & Super King
1 bought
NOW
£ 102.00
£ 259.99
Victoria Panel Bed with Mattress - Multiple Size & Colour Options
1 bought
NOW
£ 43.99
£ 169.99
Hand-Tufted 9" Innerspring Mattress - Medium Soft, Multi-Size
NOW
£ 49.00
Ultra Gen Reflex Foam Hybrid Mattress - Seven Sizes
NOW
£ 53.00
£ 190.99
Alivio 7‑Zone Support Mattress - 3 Sizes
NOW
£ 99.00
£ 199.00
Princess Kids Bed Frame & Mattress Set - 4 Sizes
520 bought
NOW
£ 81.00
£ 199.00
1500 Pocket Sprung Medium-firm Soufflé Mattress - 6 Sizes
NOW
£ 200.00
£ 479.00
Soft Relief Memory Foam Mattress with Pressure Relief - 4 Sizes
NOW
£ 49.00
£ 159.00
Ultra Cool Blue Memory Foam Hybrid Mattress in 7 Sizes
Discover peace of mind for every night with King Size Mattress Protectors on Wowcher UK. From waterproof barriers that guard against spills to hypoallergenic, breathable fabrics that help you sleep cooler, our curated deals make premium mattress protection affordable. Browse a wide range of king size protectors designed to fit deep mattresses and guard sheets against accidents, stains, and everyday wear.
Enjoy flexible delivery options on Wowcher UK, free delivery on select king size protectors, discounted standard shipping, and express options in eligible areas, so you can shop smart and get protection fast.
Unbeatable Deals on King Size Mattress Protectors
Explore protectors made for UK king size beds (typically 150 cm x 200 cm) with features like waterproof layers, dust mite barrier, hypoallergenic, breatheable cotton jersey, and stretch-fit designs that fit mattresses up to ~40 cm deep. Look for machine washable options that survive repeated washing, and quiet, non-slip fabrics that won’t crinkle or rustle as you move in bed. Our listings also cover skin-friendly fabrics ideal for kids and adults with sensitive skin.
Choose among waterproof king size mattress protectors, breathable cotton-jersey covers, dust-mite proof fabrics, deep-pocket fitted designs, and zippered options for extra coverage. Whether you’re protecting a memory foam mattress or a traditional spring setup, these protectors guard against spills, sweat, allergens, and night-time accidents while extending the life of your mattress.
We’ve curated a range of fabrics to suit all preferences, soft microfiber, smooth cotton blends, and breathable bamboo or TENCEL-infused layers that wick moisture and help you stay cool. Look out for hypoallergenic, anti-microbial, and eco-friendly options that reduce irritants without compromising comfort. You’ll find listings that emphasize deep-pocket fits and silent fabrics that won't disturb your sleep.
Whether you’re shopping for a child’s bedroom, a guest room, or your master suite, Wowcher UK listings clearly show size compatibility, care instructions, and warranty details so you can compare value quickly and confidently.
Frequently Asked Questions
What is a king size mattress protector and why should I buy one?
A king size mattress protector is a fitted cover that goes over a king size mattress to guard against spills, stains, allergens, and wear. It prolongs mattress life, protects against dust mites, and can help with night-time moisture management. Buying one can improve hygiene, reduce laundry costs, and offer peace of mind for households with children, pets, or allergy sufferers.
Look for features like a waterproof barrier, hypoallergenic lining, breathable fabrics, and a snug deep-pocket fit to ensure it stays in place all night. For shipped or stored beds, a protector with easy care and machine-washability adds convenience to your routine.
What materials are commonly used in king size mattress protectors?
Common materials include cotton blends for softness, bamboo or TENCEL blends for moisture-wicking, and microfiber or polyester” layers for durability. Some protectors feature a polyurethane waterproof membrane with a soft top panel to keep the feel comfortable while blocking liquids. Look for dust-mite proof fabrics and hypoallergenic linings if you have allergies or sensitive skin.
There are also deep-pocket fitted designs and zippered options for extra coverage, especially on thicker mattresses. Material choices affect breathability, washability, and the noise level, so pick a fabric that matches your comfort and care preferences.
Are waterproof king size mattress protectors truly waterproof?
Yes, many waterproof protectors feature a thin, flexible membrane that blocks liquids from reaching the mattress while allowing air to pass to keep you comfortable. They’re designed to withstand spills, sweat, and accidents with multiple wash cycles. Always check the product’s water-repellency level and ensure the protector is machine washable and compatible with your washing machine's settings.
To maintain waterproof performance, avoid high-heat drying unless specified by the care label. Tumble dry on low or line dry as directed, and avoid using bleach or fabric softeners that can degrade the waterproof layer over time.
How to choose the right depth and fit for a king size mattress protector?
Start with your mattress depth. King size protectors come in shallow to deep-pocket designs; measure the thickest part of your mattress and pick a deep-pocket or stretch-fit protector that can accommodate it without slipping. Look for elasticized corners or a fitted style that hugs the sides snugly. If your mattress is unusually thick due to toppers or memory foam, choose a protector labeled as extra deep or tall to ensure full coverage.
Some protectors provide additional features like envelope corners or zippered closures for maximum protection and an ultra-snug fit. Always verify the listing’s dimensions and check customer reviews for real-world fit on similar bed sizes.
Are king size mattress protectors safe for sensitive skin and allergies?
Absolutely. Many protectors feature hypoallergenic materials, dust mite barrier fabrics, and chemical-free finishes that reduce irritation. If you’re prone to allergies or eczema, look for certified clean fabrics and avoid protectors with strong chemical odors. Reputable listings will provide care instructions to keep fabrics soft and non-irritating after repeated washes.
Choosing a breathable fabric also helps reduce heat and humidity under the cover, contributing to a more comfortable night’s sleep for sensitive skin and allergy sufferers alike.
How to wash and care for a king size mattress protector?
Most protectors are machine washable. Use a gentle cycle with mild detergent and warm or cool water (check the label). Avoid bleach and fabric softeners that can degrade waterproof layers. Tumble dry on low heat or line dry to extend the life of the fabric and keep the fit intact. Ironing is generally not recommended for waterproof or laminated layers.
Regular washing helps remove allergens and oils, maintaining freshness and protecting your mattress over time. If you have a memory foam mattress, ensure the protector is suitable for memory foam and won’t trap heat.
Can I use a king size mattress protector with memory foam or latex mattresses?
Yes. Most protectors are designed to work with memory foam, latex, and traditional innerspring mattresses. Look for breathable, skin-friendly fabrics that don’t compromise the feel of your mattress. A good protector should maintain the mattress’s comfort while providing the added protection you need.
If you’re shopping on Wowcher UK, you can compare products with different top layers (cotton, microfiber, bamboo) and decide based on how you sleep, whether you share your bed with pets or children, and how often you wash the protector.
What are typical price ranges for king size mattress protectors on Wowcher UK?
Prices vary by material, features, and brand, but you’ll often find good-value options on Wowcher UK that balance protection with comfort. Look for bundles that include two protectors, seasonal promos, or shipping deals. Quality waterproof and dust-mmite proof protectors tend to be a bit higher in price but deliver longer-lasting protection and lower replacement frequency.
Always check customer reviews, care instructions, and warranty information to confirm value. With ongoing Wowcher promotions, you can secure a king size protector that suits your budget without compromising protection.
Do Wowcher deals include free delivery or delivery discounts on king size mattress protectors?
Many Wowcher listings offer free delivery on qualifying mattress protectors or provide discounted shipping options. Check the listing details for any minimum spend requirements, regional restrictions, or promo codes that apply to delivery. At checkout, you’ll see the final price including delivery so you can compare deals easily.
Additionally, some sellers offer click-and-collect or local delivery in select areas, adding more convenience and potential savings to your purchase.
What should I do if my king size mattress protector arrives damaged or doesn’t fit?
If the protector arrives damaged or doesn’t fit as described, contact the seller or Wowcher support promptly to arrange a replacement or refund per the listing’s policy. Take clear photos of the issue and keep the packaging until the resolution is complete. Many listings offer easy return processes and quick replacements to minimize disruption.
For fit issues, double-check the mattress depth and the product’s stated size range. If you’ve got a thicker mattress topper or a very deep mattress, ensure you select a protector labeled as “extra deep” or with a wide stretch fit to guarantee a snug, secure cover.