4 PCS Vacuum Tech Rug Pad-Gripper for Hardwood Floors, Washable Non Slip Rug Pads-Grippers for Area Rugs, Grip Rug Corners to Prevent Sliding Features: New Vacuum Technology to make new rug pad Antiskid sticker . Not keep your rugs safe and in place like traditional rug pads, but also curl your rug corner. Grip your rugs on floor firmly and protect your floor without glue. Inconspicuous padding under your carpet, 2 mm thickness. This no stopper works on all mat and all hard floors, like wood floor, laminate floor etc. Nonslip tape grips on the floor, stop the rug from moving and hold it on place. These holders can be washed with your mat. You need to put them in laundry bag and choose the gentle machine wash mode. As it uses the vacuum technology, you can easily peel off from floor when need. There will be no residue or glue on floor. Easy to install. Peel off the transparent protective stickers and stick the adhesive side to your rug. Press your rug to the clean smooth floor firmly. There are 4 pieces of carpet grippers in one pack. The 3.9*3.9 inch (10cm*10cm) square design fits the corner of the carpet better, has strong adsorption , does not take any unnecessary room and does not damage the floor. Note : This Antiskid sticker does not work with rubber rug. This rug pad Antiskid sticker does not work on carpeted floor Package List: 1 * Rug Pad Antiskid sticke