Shape: Type B Features: soundproof, waterproof, noise reduction, dustproof Main Function: 1. are steady and heavy when switch the car door, optimized closed the door collision, collide sound when closed the car door. 2. Inhibition of high-speed wind dry, reduce interior noise 3. Improve vehicle air-tightness and dust-proof capabilities. 4. The optimization engine compartment cooling airflow. 5. Improve the air conditioning cooling and heating power, in some extent reduce fuel consumption. Installation Instruction: 1.Clean the . 2. Tear off adhesive tape. 3. Paste it on the and keep pressing for a while. Dimensions: Total length 5m sealing strip straight face size 13mm*7mm Material:rubber colour:black Package Contents: 1 * 5M B-Shape Type Trim Rubber Strip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.