You will receive 30 pieces carpet grippers (15 pieces black, 15 pieces white), the diameter is 6cm and the thickness is 3mm, can be cut into any DIY size, more than enough for your daily use. (round) No punching: No need for nails, screws or glue with these removable double-sided foam adhesive strips, the adhesive strips help to avoid holes, marks or sticky residue on your walls, keep your walls in good condition without damaging them. Easy to Use: Just peel off the protective film on the back of the hook and loop tape and stick it on smooth and clean objects. It can be disassembled and pasted repeatedly for easy access to objects. (Tips: The glue takes 24-48 hours to reach its maximum viscosity). Multi-function: Preventing furniture cushions from moving, let your sofa say goodbye to mess. The carpet gripper is suitable for any clean and smooth surfaces such as smooth walls, floors, plastic, glass, car interior surfaces, the back of cell phones or remote controls, etc. Easy to