Come and see our amazing products. Door stopper is made of silica gel,it is 1 3/8X1 9/16inch.Door stoppers are easy to install and don't need any tools, no drilling and adhesive. Sucker design make us don't need break a hole on the wall, also no adhesive residue on the wall when we need to remove the door stopper. Just set the door stoppers on the door handle and make the sucker face the wall. Then the door stoppers well be an absorber, effectively prevent bumping of wall and door to protect doorknob and wall. Pls confirm with us about the packing info, stock color and exact production time before placing your order.