[Advantaged Triangle and Trapezium Design] The Triangle and Trapezoid Design grippers for area rugs and hardwood floors will maximum increase the contact surface. The strong adhesion will help stick firmly and keep your area rugs in place. Moreover, the rug stickers for wood floors will prevent the rug corners and edges curling and always keep your rugs steady and safe. [Thin and ] The rug tape for area rugs on hardwood floor is as thin as 0.05 inch only. They are and will not affect the flat appearance of your area rugs. Suitable for light and thin carpets [Washable and Reusable] The grippers for rugs are removed and no residues will be left. You can wipe the grippers with clean water or soapy water if needed. Well, cleaning with could help achieve better effectiveness to resume the adhesion. [Easy Installation] The non adhesive are with dual-side stickers, separately in white and clear color. First, off the white sticker and stick the on the bottom of your area rug. Second, off the clear film and stick the on the floor. Third, press hard to make they paste firmly. Note: Must Clean the contact surfaces of and floors sticking! colour: black Material: PU Package Contents: 8 x Triangle sticker (150x105mm) 8 x trapezoidal sticker (180x30mm) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.