Dinomite Bumper is a reversible 4-pc bumper that is 10 inches wide x 157 inches long * Short sides measure 10 inches x 26.5 inches and has a set of double ties at each corner * Long sides are 10 inches x 52 inches and has 4 sets of double ties along the top and bottom * Made of 100% polyester, 100% cotton and a 65% polyester/35% cotton fabric blend, exclusive of decoration. The filling is 100% polyester. * Coordinates with the Dinomite crib bedding collection by Cocalo Baby