This premium foam cot mattress from John Lewis offers comfort and support, and removable, washable covers for easy care and convenience. Key features: The cover has a soft cotton-rich quilted surface to one side for comfort and support. An easy care wipeable surface is featured on the other side for stress-free, speedy care. Covers are removable and washable. The mattress includes an adjustable waterproof layer, which you can adjust along the length of the mattress to wherever suits your little one, so that you’ll always be prepared for any accidents. Please note: Before opening the packaging please check the size of your mattress.