Perfecasa Child Door Stoppers, Revolving Door Stopper, Finger Pinch Guard, Pet Door Stopper, Doggy Finger Safety Guard Bumper Children Safety: The door stopper can prevent children from getting hurt by suddenly closing door. Meanwhile, it can prevent children from locking in the house. Easy to install and Remove: Come with product instruction. When you don’t need it, the 3M adhesive tape is really easy to remove from the door and won’t cause any damage. Revolving Design: Revolving freely 180° with cute dog shape. You can switch them so you can still close door when we need to.