I've tested some of the best waterproof mattress protectors — but there are only two I'd buy in the Black Friday sales
The Coop Ultra-Tech and Purple waterproof mattress protectors are my two favorites — both up to 20% off for Black Friday
A mattress protector is an underrated bedding product which acts as an effective barrier between all the nasties (like sweat, stains and dust), and your bed. This not only promotes cleaner restful sleep, but also helps save you money in the long run by reducing mattress wear and tear.
Considering the high-quality build and dreamy comfort for your sleep, it's only fair that the best mattress gets the best protection. While you can find a selection of the best mattress protectors in our guide, here I've narrowed it down to two of my absolute favorites: the Coop Ultra-Tech and the Purple waterproof protectors.
What's more, you can now find both with up to 20% off in the Black Friday bedding sales. But why are these my top picks? Scroll down to read more about the product specs...
1. Coop Sleep Goods Ultra-Tech Waterproof Mattress Protector
Crowned as the top recommendation in our best mattress protector guide, the Coop Sleep Goods Ultra-Tech waterproof mattress protector ticked all the right boxes and more.
Our tester found it to be an excellent all-rounder during the Coop Ultra-Tech Waterproof Mattress Protector review period — 100% waterproof, noiseless, dust mite resistant and breathable. It passed the multiple spill, wash and dry tests with flying colors — which means no liquid ever seeped into our tester's mattress.
Prone to overheating or night sweats? This Coop protector is made from super breathable Lulltra fabric (a blend of polyester and bamboo-derived viscose rayon) and 100% polyurethane backing, so it's designed to be sweat-resistant and breathable. Our hot-sleeping reviewer reported to have slept comfortably throughout the testing period.
Our only gripe was the slipperiness of the PU backing, which our tester could feel moving beneath her body while changing sleep positions. But overall it earned a total score of 4.5 out of 5, only falling short because of the waterproof membrane's slippery fit.
The Coop Ultra-Tech Waterproof protector is available to buy in six different sizes starting at $46 for a twin. While this could be considered a mid-price range for mattress protectors (considering you have options in the market starting under $15), Coop sweetens the deal with industry-best standard benefits including a 100-night sleep trial, one-year warranty and free shipping.
The good news is that right now you can enjoy up to 20% off a Coop Ultra-Tech waterproof mattress protector if you pick one up from Amazon.
The current 20% off is Coop's standard sale discount and I haven't seen a bigger one yet. This means you can shop now without worrying about missing out on a better deal. A queen mattress protector is now $47.20, down from $59 on Amazon.
<p><strong>Our review: <a href="https://www.tomsguide.com/wellness/mattresses/coop-home-goods-ultra-tech-waterproof-mattress-protector-review-year"><strong>★★★★½<br /><strong>User score: <a href="https://target.georiot.com/Proxy.ashx?tsid=45724&GR_URL=https%3A%2F%2Famazon.com%2FCoop-Home-Goods-Mattress-Cover-Pad-Washable-Quiet-Noiseless-Silent-Mattress-Topper-Protector%2Fdp%2FB00UKHSOE2%2F%3Ftag%3Dhawk-future-20%26ascsubtag%3Dhawk-custom-tracking-20%26th%3D1%23averageCustomerReviewsAnchor" target="_blank"><strong>★★★★<strong> (5,600+ reviews)2. Purple Waterproof Mattress Protector
My second recommendation is the best waterproof mattress protector in our guide and I say this with conviction since I witnessed the magic unfold in front of me.
During the Purple Waterproof Mattress Protector review period, I was impressed by how it not only proved to be consistently 100% waterproof, but also stain-resistant. Even after putting it through multiple spill, wash and dry cycles, the protector came out stainless and clean, as new as ever, every single time.
However, there's one quality that amazed me the most, which is also the primary reason why I recommend it to everyone I know: the lightweight and ultra-thin build.
At many times I completely forgot I had popped on the Purple mattress protector on my bed, since it securely stayed in place without slipping or sliding and was absolutely crinkle-free and noiseless. The Purple waterproof mattress protector is the definition of an invisible barrier for your bed and is the quietest one I've ever come across.
The reason for this is the brand's attention to detail — such as the way in which the breathable soft-knit polyester cover is flawlessly attached to the waterproof thermoplastic polyurethane layer. Plus it's also anti-microbial and hypoallergenic, which means it could best suit those prone to allergies.
The Purple waterproof mattress protector comes in two models: standard (can fit mattresses up to 15") and deep-pocketed (for mattresses up to 20" tall).
However, premium performance also comes at a premium price tag, in comparison with the Coop protector above. A twin Purple waterproof mattress protector is priced at $119, while a queen will cost you $149.
Shop right now and you can save up to 20% in Purple mattress sales, with a twin dropping in price to $95 and queen currently $119. Purple also offers the longest warranty I've spotted for a mattress protector: 10 years, in addition to a 30-night sleep trial and free shipping.
<p><strong>Our review: <a href="https://www.tomsguide.com/mattresses/pillows-bedding/purple-waterproof-mattress-protector"><strong>★★★★½<br /><strong>User score: <a href="https://purple.pxf.io/c/221109/454867/8120?subId1=hawk-custom-tracking&sharedId=hawk&u=https%3A%2F%2Fpurple.com%2Fwaterproof-mattress-protector" target="_blank"><strong>★★★★½<strong> (120+ reviews)Get instant access to breaking news, the hottest reviews, great deals and helpful tips.

Becky is a Sleep Staff Writer at Tom’s Guide covering all things sleep-related including product reviews, research studies, news and explainers. She works on specialist bedding content and is responsible for buyer’s guides like the best pillows for all sleepers and best mattress protectors focusing on popular brands such as Tempur-Pedic, Avocado, Coop Home Goods and more. Becky is a PPA accredited journalist who is keen to explore the intricacies of sleep, its effects on skincare, mental wellbeing and work performance. While not thinking of sleep, she can be seen reading in cosy bookshops or learning about global food culture.
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