HQDmall® Corner Guards. Keep Children Safe, Protect From Injury Around the House The material of this guard is PVC that is safe and flexible. It is easy to remove, and will not impact the beauty of furniture. Instructions: 1.Must be cleaned and drying the corner surface before use the product. 2.Table with double-sided adhesive to angular collision and contact angle on three sides, the corner guards in the right place, hard pressure. 3.Don't need it, forcibly removed, with warm cloth to wipe the corner, it would be very clean.