3M SRG5-8 Tekk Protection Rug Gripper for 5 by 8-Feet Rugs Ultra thin underlayment for rugs helps keep rugs in place and prevent slips and trips Advanced non-adhesive material securely grips the floor with no messy residue Waterproof to help protect floors against moisture damage from spills Non-porous design prevents sand and dirt from scratching and scraping floors Easy to customize to any rug size - simply cut with scissors for the perfect fit