Portable antisecondary contact: zero contact door handle assistant.In order to avoid secondary infection transmission, this item can prevent you from the elevator button, door handle, etc. Safety and eco Friendly Made of ABS material. baby safty door knob cover for Parents can use them safely on the door knobs. Easy to Clean, with cleaner , Portable. No-Slip Grip: Provides better grip for weak or older hands ,Open doors without the of afinger. There is a sponge for clean in it. The sponge cleaner will be added on it’s own after being used. No drill and tools need: When you need to open the door,Stretches over door knob,press the buttons and turn the door knob easily,Slips on quickly with no tools required.No drill and tools need,no harm to the door. REPLACEMENT OR WARRANTLY: If you have any issue with your Product, just contact us! Based Customer Service (Email) 6 Days a Week.