Vancool bumpers is designed to protect your furniture or any objects that you cherish. The bumpers can be applied to cabinets, furniture, electronics, computers, home theater equipment, desktops, etc. Package content: 32 packs square dumpers of 20*20*8mm 64 packs hemisphere bumpers of 11*5mm 100 packs oval bumpers of 10*3mm Product specification: Color:Clear Size:3 sizes non-toxic silicone safe for environment Material: rubber Quantity: 196 pieces of rubber feet Strong self-adhesive backing for easy peel-and-stick application Notice: Small parts, please keep them away from children. Don't touch or strip off immediately until it sticks tightly. Surface need to be smooth, non-porous, clean, dry, and free of debris, oils, and solvents. Because of the transportation, there may be some bumpers scattered from the sheet of bumpers. For maxium performance, please allow a 24-hour dwell time before exposing heavy force or weight. No residue left when torn off, apply them to a wide range of surface, like glass, ceramic, plastic, metal, etc. Press bumper firmly into place on application surface, bumper cannot be repositioned without ruinning adhesive. When you are ready to apply the bumpers, please kindly keep the surfaces you are going to apply clean and dry, then you can stick it to the surface of the object.