these worked out fine as we weren't looking to add any plushness to our memory foam bunk bed mattresses. But if you are thinking these are adding plushness to your mattress, these are not the pads for you. They are thin and pliable, waterproof with deep corners but fit our 6 inch bunk mattresses just fine too.
I needed a waterproof mattress cover for my daughter's new bed. She has accidents almost every night, so I was cautious to purchase this. I wish I didn't and now I need to buy a new one. Of course she had an accident and I thought at first "Oh good, It didn't leak" But I was wrong, since the sides aren't protected it soaked through. I will be contacting the company and getting my money back....don't waste your money