Door bottom sealing strip guard is a double sided insulating device for doors and windows the fabric draft stopper sleeve holds foam cylinders on opposite sides of a door, creating an airtight, draft-proof seal. Size of 36 inch & 1.6 inch dia of one foam under door draft stopper which is perfect most door can effectively guard and they are equally able to keep the wind, dust, and sound or even polluted air out of your door. Door Closers You can save a lot of power if you are running an air conditioner in your room. An ac needs to work harder if there is air leak from the room, especially from under the door. Door draft stopper easily move with the door and glides over carpet, wood, tile, linoleum. No need to bend down and reposition.The door strip can be quickly cleaned by machine washing , no more hand wash, save your time and labourCan also be cut to size for your windows to help prevent drafts and seal in your hot or cold air. The flexible material allows for the draft stopper to form fit to your windows. Installs quickly and easily. A great way to seal proof the whole house keeping the inside of your home at the perfect temperature. Spot clean with a cloth and mild cleaning solution, let air dry