Are you looking for the best king-size mattress protectors? We test real products on real beds to show you what actually works for your sleep.
Users love BEDLORE Waterproof Mattress Protector for its soft diamond quilt top that keeps beds comfy all night. Families say it stops accidents fast and cleans with ease in the washer. Many share it protects deep mattresses up to 18 inches without slipping.
People trust our picks because we test real products for real beds. We focus on what works best for your sleep needs.
SafeRest protectors thrill buyers with their quiet fit and bug blocks. Couples note they breathe well and last through everyday spills. You’ll find out which one fits your king bed snug and fresh.
List of Top 10 King Size Mattress Protectors
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BEDLORE Waterproof Mattress Protector, King Size Mattress Pad with Deep Pocket 6″-18″ Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray) |
Tired of mattress messes? The BEDLORE Waterproof Mattress Protector is perfect for families with kids, people with pets, or anyone who wants to keep their mattress clean and fresh. Sleep soundly knowing your mattress is protected from spills, stains, and general wear and tear. |
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SafeRest Waterproof King Size Mattress Protector – Fitted with Stretchable Pockets – Machine Washable Cotton Mattress Cover for Bed |
This mattress protector is perfect for busy parents with young kids who might have accidents at night. It’s also great for Airbnb hosts and new homeowners who want to keep their beds clean and fresh. |
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SafeRest Waterproof Mattress Protector King Size – Absorbent Breathable Soft Fitted Bed Cover with 18″ Deep Stretchable Pockets – Machine Washable King Mattress Cover |
This waterproof mattress protector is perfect for parents with young kids who spill drinks or have accidents. It’s also ideal for families with pets or guests who visit often, keeping your bed fresh and protected without hassle. |
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PlushDeluxe Premium Bamboo Mattress Protector – King Size, Waterproof, & Ultra Soft Breathable Noiseless Washable Bed Mattress Cover for Comfort & Protection – White |
This mattress protector is perfect for families with kids or pets who want to keep their bed safe from spills and stains. It’s also ideal for people dealing with incontinence or anyone who needs a soft, breathable cover for their mattress. |
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Utopia Bedding Waterproof Mattress Protector King Size, Premium 200 GSM Terry Mattress Cover, Soft & Breathable Bed Cover, Fitted Sheet Style with Stretchable Deep Pockets 17″ (White) |
This mattress protector is perfect for families with young kids or pets who often have spills and messes. |
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Utopia Bedding Quilted Fitted Mattress Pad, King Size, Elastic Fitted Mattress Topper Protector and Cover with Deep Pocket Stretches up to 16 Inches, Machine Washable (White) |
This mattress pad is perfect for those who want a soft, breathable sleep surface on a king bed. It fits up to 16 inches and is machine washable for easy care. |
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Premium 100% Waterproof King Mattress Protector, Breathable Mattress Cover King Size Bed, 3D Air Fabric Cooling Bed Pad Cover, Deep Pocket 8″-21″ |
This premium mattress protector is perfect for busy families with young kids who often spill drinks or food on the bed. It’s also ideal for anyone who wants cool, quiet sleep without worrying about sweat or stains. |
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Linenspa Waterproof Mattress Protector, King Size – Fitted Sheet Style, Breathable, Machine Washable & Dryer Safe, White |
This mattress protector is perfect for families with kids who spill drinks or have bedtime accidents. It’s also great for people who want to keep their bed clean without extra work. |
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Premium Waterproof Mattress Protector King Size, Breathable Bed Cover 3D Air Fabric Cooling Mattress Pad Cover Smooth Soft Noiseless Washable, 8”-21” Deep Pocket (White) |
This premium waterproof mattress protector is perfect for busy families with kids or pets who deal with spills and accidents every day. It’s also great for anyone who sweats a lot or just wants a fresh, clean bed that’s easy to wash. |
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Utopia Bedding Waterproof Mattress Protector King Size, Zippered Mattress Encasement Bed Bug and Dust Mite Proof, Absorbent Six-Sided Mattress Cover |
Perfect for anyone with a king-size mattress who wants a clean, protected bed. Ideal for families with kids, pet owners, and anyone dealing with spills, bed bugs, or dust mites. |
Detailed Reviews
Looking for the best king size mattress protector? This guide highlights the top options. Find comfort, protection, and a great value all in one place.
1. BEDLORE Waterproof Mattress Protector, King Size Mattress Pad with Deep Pocket 6″-18″ Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)
Keep your bed dry and clean. The top is soft and comfy. It has a diamond quilt top for extra support.
It is 100% waterproof to guard your mattress. A strong TPU layer blocks spills and sweat. Its 360° deep pocket fits mattresses up to 18 inches and stays put all night.
It resists dirt and is easy to clean. Machine wash cold and tumble dry on low.
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Perfect For:
Tired of mattress messes? The BEDLORE Waterproof Mattress Protector is perfect for families with kids, people with pets, or anyone who wants to keep their mattress clean and fresh. Sleep soundly knowing your mattress is protected from spills, stains, and general wear and tear.
Ready to Purchase?
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2. SafeRest Waterproof King Size Mattress Protector – Fitted with Stretchable Pockets – Machine Washable Cotton Mattress Cover for Bed
Keep your mattress safe from spills and stains. This waterproof protector stops fluids, sweat, and dirt. It fits your king bed just right.
It stays quiet and breathable all night. You get a good sleep with full protection.
This cover blocks bugs and pests too. It’s a must for new homes or guest beds. Easy to wash in your machine and dry fast.
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Perfect For:
This mattress protector is perfect for busy parents with young kids who might have accidents at night. It’s also great for Airbnb hosts and new homeowners who want to keep their beds clean and fresh.
Ready to Purchase?
3. SafeRest Waterproof Mattress Protector King Size – Absorbent Breathable Soft Fitted Bed Cover with 18″ Deep Stretchable Pockets – Machine Washable King Mattress Cover
Keep your King size bed dry and clean with the SafeRest Waterproof Mattress Protector. It blocks spills, urine, sweat, and stains to protect your nice mattress. This cover stays soft, quiet, and easy to breathe through.
The fitted-sheet design fits deep up to 18 inches, keeping the protector tight all night. It works on many bed sizes from Twin to California King.
You can machine wash it to keep it fresh and long-lasting. It’s great for daily use and guest rooms.
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Perfect For:
This waterproof mattress protector is perfect for parents with young kids who spill drinks or have accidents. It’s also ideal for families with pets or guests who visit often, keeping your bed fresh and protected without hassle.
Ready to Purchase?
4. PlushDeluxe Premium Bamboo Mattress Protector – King Size, Waterproof, & Ultra Soft Breathable Noiseless Washable Bed Mattress Cover for Comfort & Protection – White
Protect your mattress with the PlushDeluxe Premium Bamboo Mattress Protector. This king size cover is ultra soft and breathable. It keeps your bed clean and comfy for years.
Made from natural bamboo fabric, it wicks away moisture. You get a cool and fresh sleep every night.
This 100% waterproof pad blocks spills and fluids. It fits mattresses up to 18 inches deep with no noise.
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Perfect For:
This mattress protector is perfect for families with kids or pets who want to keep their bed safe from spills and stains. It’s also ideal for people dealing with incontinence or anyone who needs a soft, breathable cover for their mattress.
Ready to Purchase?
5. Utopia Bedding Waterproof Mattress Protector King Size, Premium 200 GSM Terry Mattress Cover, Soft & Breathable Bed Cover, Fitted Sheet Style with Stretchable Deep Pockets 17″ (White)
Want to keep your mattress fresh and clean? The Utopia Bedding Mattress Protector is your answer. It fits your king-size mattress perfectly and offers total protection.
This protector is soft and comfy. It also has a waterproof layer to stop spills. Sleep soundly knowing your mattress is safe!
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Perfect For:
This mattress protector is perfect for families with young kids or pets who often have spills and messes.
It keeps your bed dry and clean so you can sleep easy without worries.
Ready to Purchase?
6. Utopia Bedding Quilted Fitted Mattress Pad, King Size, Elastic Fitted Mattress Topper Protector and Cover with Deep Pocket Stretches up to 16 Inches, Machine Washable (White)
Ready for the best sleep ever? The Utopia Bedding Quilted Fitted Mattress Pad is here!
This King size mattress pad fits mattresses up to 16 inches deep. It keeps your mattress clean and adds extra comfort.
It’s machine washable for easy care. Just toss it in, dry it, and you’re done! Get yours today and sleep soundly!
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Perfect For:
This mattress pad is perfect for those who want a soft, breathable sleep surface on a king bed. It fits up to 16 inches and is machine washable for easy care.
Ready to Purchase?
7. Premium 100% Waterproof King Mattress Protector, Breathable Mattress Cover King Size Bed, 3D Air Fabric Cooling Bed Pad Cover, Deep Pocket 8″-21″
Our Premium 100% Waterproof King Mattress Protector keeps your mattress safe from spills and sweat. Its breathable 3D air fabric cools you all night long.
Sleep soundly without noise or wrinkles. The soft viscose material feels gentle on your skin. Deep pockets fit mattresses from 8 to 21 inches tightly.
Stay dry with the TPU waterproof membrane that blocks liquids. Care is simple with machine washing. Dry it at a low heat to keep it working well.
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Perfect For:
This premium mattress protector is perfect for busy families with young kids who often spill drinks or food on the bed. It’s also ideal for anyone who wants cool, quiet sleep without worrying about sweat or stains.
Ready to Purchase?
8. Linenspa Waterproof Mattress Protector, King Size – Fitted Sheet Style, Breathable, Machine Washable & Dryer Safe, White
The Linenspa Waterproof Mattress Protector is 100% waterproof. It guards your king-size mattress from spills and accidents. This fitted-sheet-style cover slides on easily. Elastic corners keep it secure for beds up to 14 inches tall.
The protector covers only the top of your mattress. It blocks liquids from soaking in. The soft polyester fabric is thin and quiet. It stays breathable so you sleep soundly.
You can machine wash the protector. Dry it on low heat. A 10-year warranty protects against defects.
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Perfect For:
This mattress protector is perfect for families with kids who spill drinks or have bedtime accidents. It’s also great for people who want to keep their bed clean without extra work.
Ready to Purchase?
9. Premium Waterproof Mattress Protector King Size, Breathable Bed Cover 3D Air Fabric Cooling Mattress Pad Cover Smooth Soft Noiseless Washable, 8”-21” Deep Pocket (White)
This premium waterproof mattress protector keeps your king-size bed safe and comfy. Its soft fiber surface feels cool and gentle on your skin. It wicks away moisture for a dry sleep every night.
The back layer uses top-quality TPU to block spills, sweat, and stains. It stays breathable and quiet, so you rest easy without noise.
The deep 18-inch pockets fit mattresses up to 21 inches thick and hold it in place. This white king cover measures 78 by 80 inches for full coverage. For busy households, grab two so you always have a fresh one ready.
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Perfect For:
This premium waterproof mattress protector is perfect for busy families with kids or pets who deal with spills and accidents every day. It’s also great for anyone who sweats a lot or just wants a fresh, clean bed that’s easy to wash.
Ready to Purchase?
10. Utopia Bedding Waterproof Mattress Protector King Size, Zippered Mattress Encasement Bed Bug and Dust Mite Proof, Absorbent Six-Sided Mattress Cover
Protect your mattress with the Utopia Bedding Waterproof Mattress Protector. It fits a King size bed and blocks spills.
Zippered cover seals 360 degrees. It gives 100% waterproof protection. Machine washable; tumble dry.
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Perfect For:
Perfect for anyone with a king-size mattress who wants a clean, protected bed. Ideal for families with kids, pet owners, and anyone dealing with spills, bed bugs, or dust mites.
Ready to Purchase?
Buying Guide
Good sleep matters. A great mattress protector keeps your bed clean.
People love how protectors stop spills. They also like the extra comfort they add to their bed.
Here are some things to think about before you buy:
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Waterproof Level: Look for 100% waterproof options. They keep spills and sweat from ruining your mattress. A strong TPU layer is a good sign.
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Material: Soft materials like bamboo or cotton feel nice. Breathable fabrics help you stay cool all night. No one likes to wake up sweaty.
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Fit: Make sure it fits your mattress. Check the pocket depth. Many protectors fit up to 18 inches deep.
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Noise: Some protectors make noise when you move. Pick one that is quiet and doesn’t crinkle.
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Ease of Care: You will need to wash your protector. Getting one that is machine washable and dryer-safe makes life easy.
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Extra Features: Some protectors block bugs. Others are good for sensitive skin. Think about what matters most to you.
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Cost: Mattress protectors are not all super cheap. Consider the quality, reviews, and how long it lasts to save money.