PTFE Material: These furniture sliders are made of PTFE material , which can make sure for periods of time. Sliders with Nail: PTFE sliders with nail, can be drilled into almost anything to its and durability. Once installing, no falling off. Furniture Easy : Our chair leg sliders are designed for moving furniture with ease. No worries whatever furnitures you would like to move such as sofa, desk, chair, bed etc, even if heavy items. Protect Your Floor and Carpet: Our furniture gliders can prevent floors from scratching and reduces noise when move your furnitures around the room.Don't worry about damaging your expensive carpet. Wide Applications: Package includes 20pcs square PTFE floor protector nail sliders, they are suitable for furnitures and work well on wooden, laminate ,vinyl, tiled floor. Enough quantities are suitable for your . Type: Square with Nail Nail Deep: 17mm/0.67 inch Base Size: 25x7mm/1x0.28inch Colour: blue + black Material: PTFE Package Contents: 20 * Furniture Sliders Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.