The Willow slip covered 4-piece bumper is 10 inches high x 156 inches long. The short sides measure 27 inches x 10 inches and the long sides 51 inches x 10 inches. Slip covers are removable for easy cleaning. The bumper covers are 100% organic cotton, and the inserts are 100% polyester. Care instructions: machine wash cold in gentle cycle with like colors, do NOT bleach, tumble dry low, and iron on lowest setting as needed.