This door stopper is made of silicone, so it's soft and won't damage your door. Plus, it's easy to install - place it under your door, and you're good to go! Here are some benefits of the Mute Non-punch Silicone Door Stopper: - It's made of silicone, so it's soft and won't damage your door. - It's easy to install - place it under your door, and you're good to go! - It's a great way to keep your door from slamming shut and making a loud noise.