Function: Embossed Vinyl Rolled Floor Protection PVC Chair Mat Floor Non Slip Mat can effectively prevent the floor from being scratched, and has good anti-skid performance while protecting the floor. The Rug Anti Slip Mat protects your rug from damage from casters. The Non Slip Step Pads are transparent, allowing the rug to show through, while the chair rolls easily on hard surfaces. Bottom cleats secure mat to flat, low-pile rugs. It's made of 1/8" thick extra heavy duty tough vinyl and has a lifetime guarantee against cracking. Material:PVC Adopt high quality PVC material, safe and non-toxic, with non-flammability, high strength, resistance to climate change and excellent geometric stability Packing: 1.Roll Packing 2.Pallet Packing