This Vestil SB-12 bumper protects walls, furniture, and machinery from impact with carts or platform trucks and comes in a pack of 12. It is 12 in length, 1-1/8 in height and fits on corner edges. The bumper is 1-3/16 thick and is made of rubber for elasticity and resistance to impact. It has a steel insert to absorb impact. This bumper guard attac..