1. The furniture gliders floor protectors with a smooth sliding surface can minimize the frictional resistance of your furniture and reduce noise. Help you easily move all kinds of heavy furniture, such as sofas, desks, chairs, beds, etc. 2. The sticky PTFE gliders has a thick , which can your floor and furniture from scratches and abrasion to extend the service life. It is suitable for wooden floor, laminate floor, vinyl floor or tile floor. 3. The furniture moving glides are made of high-quality resin and PTFE material, which is sturdy and durable and can firm furniture support. In addition, the PTFE sliding coating on surface is smooth, making it easy to move heavy furniture easily and quickly. Installation Guides Step 1: a tape to measure and mark the depth you need to drill. Step 2: a drill bit to drill a hole according to the tape deep. Step 3: Put a slider onto the furniture leg and drill the screw. Step 4: Stand the furniture to check the stability and to . Colour: Blue Gray+Black Material: PTFE Size: 30mm Package Contents: 40 x protective pad 40 x Screw Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.