The Zig Zag Changing Table Cover is made to fit all contoured 17 inch x 35 inch x 5 inch changing table pads. It has elastic all around for a secure fit. Form fitted with contoured corners to keep cover snug and smooth. It has a soft cotton flannel center piece with cotton percale side panels. It is made of 100% cotton. Care instructions: machine wash cold with like colors in gentle cycle with mild detergent, do NOT bleach, tumble dry low.