Reliable Material: Good spring white silicone rubber bumper, 3M strong back glue, damage-free, no drilling, removal without leaving any residue, environment friendly, this little gadget will be your big helper to prevent wall is damaged thru kids. Easy Installation: Clean and dry wall before using,and then stick it on where the door handle hits. Press against the wall or wherever you need and hold for few seconds. Finish Usage Function: Small 4cm(1.57 Inch) diameter fits for most door stop handle, can reduce the noise effectively from slamming. Avoids damage to walls caused by door handles bump. Wide Compatible:Wall Protector can be applied to bedroom, bathroom, kitchen, fridge, cabinets, drawers, cupboards, and much more. Precautions: A. Wet and dusty wall adversely to paste, you can clean and keep dry firstly. B. When the temperature is low, you can use the blower to preheat the glue face and then paste it. C. When removing the self-adhesive backplate, be careful not to remove the adhesive layer. D. After the glue sticks, please press it several times and then use it again. Item Name: Door Handle Bumper; Main Material: Silicone Rubber; Color:White; Item Size: 4 x 0.8cm / 1.57" x 0.31"(D * T); Weight: 72.5g / 2.56oz; Package Include5 x Door Handle Bumper.