They can be used as feet, bumpers, spacers, etc. They have a flat adhesive side and are pressure sensitive. Bumpons can prevent vibration, skidding, or marring of surfaces. We offer a broad selection of polyurethane bumpons with pressure sensitive adhesive backing. Polyurethane is a durable and resilient elastomer, excellent for a wide variety of applications. Below is what we currently have stocked, but feel free to contact us regarding anything that you want but do not see below.