PREMIUM PROTECTION - Commercial grade 50 pack for heavy duty use on chairs in the home, office, food court or restaurant. Protect floors from scratches. Furniture nail material: the mat is made of soft felt and ABS material, non-toxic, non-slip and wear-resistant, and the nail is made of stainless steel, sturdy and hard to tear, rust and corrode Premium Felt Pads - Made of high density felt to provide a 4mm thick protective barrier. Surrounded by discs, the nail clip can be concealed. The cabinet will lift a total of 8mm off the floor. EASY TO INSTALL - Simply tap with a mallet (lightly if using a hammer) to ensure you hit the center of the glide evenly way you would hit with a loose bent peg. DURABLE SOLUTION - You won't have to worry about the mat slipping or falling as the screws hidden in the solution will provide support to prevent this from happening.