1Made of highquality EVA foam material, it is durable and can withstand the strongest door slams, jams and violent impacts. 2Can be easily adapted to any size door. Highly elastic foam makes it easy to attach and will not slip off the door over time. 3Highdensity but extremely lightweight foam door stopper will return to its original shape when disassembled. 4Easy to place, remove and reposition, and they will not leave any marks or residues on your door. 5Install it on the door, if you push the door to the closed position, you can leave a large gap to prevent child or pet from getting locked out as well as avoid injuries.