There Is No Glue On Glass Table Top Bumpers, No Damage To Paint Or Veneer On Your Table Top .Glass Table Top Plastic Bumpers Is Made From Polyurethane Material ，Owing To Heavy Weight Of Glass, The Soft Bumpers Can be Absorbed To The Glass Top Well.These Bumpers is Thick ,Especially suitable for Large and heavy Glass Table Top .3mm is a good distance for air circulating.Glass Table Top Rubber Bumper Pads:Large Size:25mm*3mm, S Size :20mm*3mm.Package:20Pieces/Package , Self-sealing bag, easy to open and easy to save .Glass Table Top Suction Pad Can Be Blend Into Your Furnitures, Nearly Invisible Under The Glass. Product Description Glass Table Top Pad Glass Table Top Bumpers Are Always Used Under The Glass Top ,To Control The Movement Of Glass . Soft Material Made From Soft Transparent PU Material,There Is Not Any Glue One The Bumpers , Owing To Heavy Weight Of Glass Table Top , The Bumpers Can Be Absorbed To The Glass Top Well . High Transparency Nearly Invisible Under The Glass Top,