Yonisun Sound Dampening Door Bumpers, 1/2" Diameter, Sheet of 100 MADE IN THE USA WITH SUPERIOR ADHESIVE PERFORMACE! SELF-ADHESIVE JUST PEEL OFF AND APPLY! SUPERIOR QUALITY MADE IN THE USA! Material : Rubber, Clear color, Size : 13mm * 5.5mm The bumpers can be used your door,Chair,drawer or any ohters who need to reduce impacting. These bumper reduce the noise when colse your door, drawer. it can help extending the life of your hardware. Package include : 100 Pcs