DescriptionThis product will be your greathelper to allow your pets out of and get in the house without yourassistant, save your effort and time, with high elastic rope, the doorcan be closed itself, while the door block will keep the door from beinglocked.Features-Color: white -Material: ABS -Size: 25.00X14.00X4.00cm/9.82X5.50X1.57in - This product will be your great helper to allow your pets out of and get in the house without your assistant. - With this pet door stopper, you can save your effort and time to open the door for your pet. - High elastic rope deign, the door can be closed itself with the elastic traction. - while the door block will keep the door from being locked, so that your pet can open the door again. - The height of the door stopper can be freely adjusted according to the pet size.