Safety 1st Grey Color Door Stopper || 3months to 48monthsKey features Allows hanging the door stopper on a door handle Prevents children locking themselves in a room Safeguard against the dangers of slamming doors An easy way to keep kids from catching their fingers in the door. Flexible, dense foam material makes Slam stopper very easy to use and install Specifications Item Dimensions LxWxH : 12. 5 x 4. 5 x 2. 5 Item Weight : 38 g