About this item PRIVATE ACCESS FOR YOUR PET: No more having to get up and open the door yourself to let the pet in or out of the room MULTIPLE USE OF AREA: Suitable for bedroom, bathroom and other places with doors, pets can open the door by themselves, they will not interrupt your sweet dream. DIY INSTALLATION: Easily install it at correct position on the door based on pet height, will not damage door or wall AFFORDABLE VALUE: Made of high quality plastic material, sturdy and long lasting. WARNING: Do not overstretch the elastic thread, adjust it to a proper tension so as not to break it. EASY TO REMOVE: Very easy to remove the block from the door, just remove it from the velcro. Then you can enjoy your private space without your pets. No DAMAGE to the door. Absolutely.