1.Prevent Curling And SlidingDesigned with advanced Anti slip and Anti curling technology keep the rugs in place,voiding slipping accidents and properly solve annoying carpet problems like curling, sliding, folding and pet commoving (The US patent-pending).2.16 Pack & Long Lasting Adhesive16PCS rug stopper valued pack comes with wide applicable 2 shapes of grippers.Larger contact surface can provide more effective adhesion and excellent rug slip grip.The more discs used, the better the rug will be anchored to the floor.3.Easy InstallRemove the adhesive backing and stick the discs to the bottom of the rug you want to secure. Then remove the film covering the silicone surface and press the rug firmly onto the floor.4.Widely ApplicableRug gripper works perfect with all types of floor: tiles, hardwood, laminate, marble, concrete, rubber, etc.Besides,upgraded rug grippers stop your rug from curling a, keeps your rug flat forever.