Perfect protection: BAIPOK door stopper handles are made of high-quality elastic plastic with optimal damping properties, odourless, transparent and practical, are the perfect solution for preventing damage to walls and furniture by knocking door handles/window handles. No tools, no drilling: simply slide the door handle stopper onto the round or oval door handle/window handle to the desired position, and you're done. Can be removed without leaving any residue. Invisible and waterproof: compared to other door stops, our door handle buffers are more transparent, do not worry about yellowing. It is waterproof and can also be used on bathroom door handles, balcony door handles or window handle. Invisible waterproof: compared to other door stops, our door handle buffers are more transparent, do not worry about yellowing. It is waterproof and can also be attached to bathroom door handles, balcony door handles or kitchen door handles.