1. Made of high quality TPU rubber material, high hardness, toughness and more stable. 2. The nuts on top of the shock pad is universal in size and work with most air conditioners. 3. Reduce the low-frequency noise caused by vibration and give family a comfortable sleep. 4. The installation is simple, the load-bearing is strengthened, and the structure is stable and safe. 5. Designed for heavy duty indoor or outdoor air conditioning use. Colour:As Shown Material:TPU Rubber Package Contents: 4 * Shock Pads 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.