Vacuum Technology to make rug pad gripper. Not only keep your rugs safe and in place like traditional rug pads, but also anti curl your rug corner. Grip your rugs on floor firmly and protect your floor without glue.Inconspicuous padding under your carpet, only 1 mm thickness. This no skid sper works on all mat and all hard floors, like wood floor, laminate floor etc. Nonslip tape grips on the floor, s the rug from moving and hold it on place.These ruggies holders can be washed with your mat. 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 yel protective stickers and stick the adhesive side to your rug. Press your rug to the clean smooth floor firmly.