#zw Car Products for Sale [Description] When attached to your car, this product can reduce the impact when closing the door. It can also be used for vibration damping on the hood and trunk, not just the doors. Please refer to Figure 2 for the vibration reduction effect. Please refer to Figure 4 for examples of where to attach the product. By attaching multiple pieces to one door, further vibration damping effects can be achieved. Double-sided tape is attached to the back, making it easy to apply. It absorbs light in bright places, and glows in the dark. [Size] Approximately 28mm in diameter, approximately 9mm thick [Material] Silicone rubber [Shipping Method] Shipped via standard mail. Also, we sell the same white product for white BMW cars, and other BMW car accessories. Please take a look at our other products for sale. #zw Car Products for Sale #Door Shock Absorption #Car Exterior Accessories #Car Customization