[Components] There are 4 pieces of carpet grippers in one pack. The 3.9 x 3.9 inch (10cm x 10cm) square design fits the of better, has strong adsorption force, does not take any unnecessary room and does not damage the floor. The rug stickers for wood floor not only prevent your rug from bunching or sliding in daily use like rug pad, also make the rug anti curling. The 8 rug grippers will make your whole rug in place. Especially it's useful for area rug , runner, pet rug or smaller rug etc. [Suction and Grip Technology for Marks] suction technology ensures a grip on the contact floor and an easy-to--off feature without causing traces or damage to the contact floor. There are many air holes on the side surface facing the floor. After pressing hard, the air escapes outward, forming a vacuum negative pressure state in the air holes to an adhesive effect, in place. [Reusable & Removable & Washable] Easy to install, be to tear off the yellow protective paper and transparent protective paper, after sticking the side to , press firmly on the clean and floor. 2mm thickness, invisible after installation. Thanks to the vacuum technology, you can easily it off the floor when needed, leaving no residue on carpets and floors. [Wide Application] Can be used on surfaces and floors: laminate floors, wood floors, ceramic tiles, marble and other surfaces, making your bathroom, kitchen, entrance more comfortable and safe. (This product is not recommended for carpeted floors) Colour:White Material:cloth Package Contents: 8 x Grippers Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.