
This mattress topper is as advertised. All sides are waterproof. Perfect for the Revain Basics 8 inch memory foam mattress, nice and cozy so you don't have any extra slips and creases in the material. Washed several times in the washing machine (gentle) and dried in the dryer (medium temperature) and no problems. My only concern is that we bought it in January 2019 for $18. We switched one of our kids from full to twin so we need to buy another one but now it's $23 :(

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