Incredibeds Woven Cotton White Waterproof Safety Bumper Sheet - Fits Incredibeds Sold After 2011Teddy Bears, Floppy Dog, TRex Dinosaur and Pinky Petunia Kitty.The Safety Bumper Sheet is a 100 percent woven cotton material which is laminated with a safe, waterproof, nonphthalate polyurethane underlayment.On the top sides of the sheet there are two pockets which hold one 4 inches diameter by 40 inches long polyethylene foam cylinder.The foam is a safe, nontoxic, nonphthalate, recyclable foam.One bottom fitted woven sheet with two pockets.Two foam bumpers.