The Baby Bot Dot Reversible 4-Piece Bumper measures 11 inches high x 158 inches long. The short sides measure 11 inches x 27 inches with ties in each corner. The long sides are 11 inches x 52 inches with 4 ties along the top and bottom. The bumper is made of 100% cotton and 100% polyester filling. Care instruction: wash separately before use. Warm hand or gentle machine wash with similar colors, do NOT bleach, line dry or tumble dry low and remove promptly and fold, warm iron. Do NOT rub, soak or wring. Do NOT dry clean.