Pad More Wide: The Replacement Shoulder Pad is 21.5 cm long and 8 cm wide and 2.5 cm thick, fits over most fabric guitar straps, Backpack, Laptop straps Luggage straps,Crossbody straps etc Shoulder Protection: The pad is made of memory foam. Adjust with velcro, detachable shoulder pad cover the entire shoulder. When your backpack is heavy, The replacement shoulder pad cushion the pressure of the backpack and makes shoulder feel comfortable Moisture Wicking: Elastic neoprene and air foam double layers design for shock absorption and breathable and wicks away sweat to allow your shoulder to breath Anti Slip Design: The bag strap replacement pad soft and durable, do not worry about pad slipping and hurt your shoulder by heavy bag, support machine wash Comfort & Fashion: Soft and flexible and comfortable, more colors for choice to match your colore of a laptop messengers, camera bags, guitar cases, travel bags, tactical bag