These reusable Self-Stick Rug Pads prevent rugs or carpets placed on hard floors and tiles from slipping or sliding and they also prevent bunching, curling and tripping. They're so EASY to use, just place one on each corner of your rug! Avoid accidents and keep your rugs right where you want them! This innovative technology is really amazing! These pads are 100% adhesive free, meaning you won't have to worry about sticky residue ruining your beautiful floor or scratching your tiles! Simply wash the rug pads with soap and water, if they start to loose their stickiness, and they'll be good as new! Keep your home tidy and safe with these Self-Stick Rug Pads! Features Made with environmental-friendly material Washable, reusable, & doesn't lose stickiness easily 100% adhesive-free (no more floor disturbance) Each pad is approx. 5.9 x 4.3 inches / 15 x 11 cm Set of four