Material:PVC Size:Regular/Depending on your liking Colors/designs:Regulation/Depending on your liking Special: anti slip;soft and safe ;environmantal Features: 1) Keeps rugs safely in place, to provide anti skid features. 2) Prevents rugs from buckling, 3) Protects wooden floors from scuffing, prolong the life of your carpet and floor. 4) Makes vacuuming easier 5) Superior grip strength, Easy to cut into various sizes you want by scissors.