Clearly Superior rectangle bumpers are designed to absorb energy and reduce contact noise and vibration, while also protecting surfaces from damage and/or scratching. Features a low profile design that is nearly invisible, and the clear gel polymer blends in with a variety of surfaces Can be easily moved and reused as needed, and removal won't leave behind any residue Use care when placing bumpers on painted drywall or plaster. If you are unsure about compatibility, check by attaching the bumper and removing in an inconspicuous area first. Just peel & stick to any non-porous surface - walls, cabinetry, baseboards, appliances, decor items, furniture and more. Apply to clean surfaces. Bumpers may not adhere well to chalky, flaking or poorly adhering paint/coatings on surfaces. 18 pc. Variety Pack. Clear Rectangle Polymer Gel Bumpers. Contains 12 Small (1.5" x .5" x .13") 4 Medium (2" x 1" x .20") 2 Large (4" x 2" x .30") Bumpers. The clear, low profile design blends with surfaces for low visibility. These bumpers stick easily to any clean, non-porous surface and can be easily moved and reused without leaving behind any residue or losing adhesion. Say goodbye to surface damage and hello to quiet protection with our versatile and reliable bumpers.