Car Door Shock Absorbers. This item significantly reduces the "thud" sound when opening and closing car doors. Please purchase only if you understand that this is a used item. Also, only one of the four pieces does not have double-sided tape attached. Please check the photos and make your judgment on that point. —————————————————- Set of 4 in black, size 9.50cm x 7.00cm, perfect for car accessories. - Quantity: 4PC - Color: Black - Size: 9.50cm x 7.00cm (3.74in x 2.75in) Thank you for viewing.