To ensure optimal performance and longevity of your elevator doors, follow these simple steps for installation. First, clean the surface thoroughly to remove any grease that could affect adhesion. Once the adhesive is exposed, press the bumper firmly onto the desired area of the door. These bumpers are designed to absorb impact and reduce noise, making them essential for maintaining smooth and quiet door operations. With a set of 20 bumpers, you can easily outfit multiple doors or keep spares for . Features -Color:Black -Material:Rubber -Size:1.20X1.20X1.20cm/0.47X0.47X0.47in -Effective impact reduction: utilizing rubber material, this bumper effectively diminishes the impact force of elevator doors, protecting both and walls from potential damage -Stable anti collision buckle: the specially designed anti collision buckle provides a stable and secure attachment to door, preventing accidental detachment -Robust and dependable: tested rigorously for outstanding durability and reliability, ensuring it remains intact and functional over extended periods - : installation is a breeze, with no need for additional tools, the bumper to door -Multiple application scenarios: ideal for various elevator doors in residential buildings, commercial properties, and healthcare facilities Package list: 20 Bumpers