Rubberized PVC material keeps your area rug in place Extra Strong - To enhance a powerful grip and an added cushioning without being that thick people should notice the rug gripper under your rug. Custom Sized Rugs: Order standard sizes or easily trim mat pads with household scissors to fit any size rug in your home. Eliminate waste by using padding scraps to set and line shelves, drawers, etc Protect Your Floors: Ultra thick cushion design allows more rubber to grip the floor and provides an important protective layer for your hardwood floor against the rough surface on the underside of most rugs.