1. Cap rack made of sturdy metal + double nylon. NO PLASTIC. Comes with simple instructions. Easy installation - no tools needed. 2. ATTACHES TO THE DOOR with simple elastic bands over any standard door. No hassle and no difficult installation. HANG OVER A DOOR, IN THE CLOSET AND MORE: Place the cap rack almost anywhere in your house, dorm room, or wherever you store your collection. It comes with an over-the-door hook that fits doors with a thickness of 1.5 to 1.75 inches. Also place it on a wall or from the ceiling as a mobile. 3. KEEP ORGANIZED and never lose your caps. The cap rack can hold more than 16 caps if desired. Display your favorite sports cap at any time and prevent damage to your sports collection. The baseball cap and closet organizer is perfectly designed to handle small spaces where organization is a must. 4. Advantage: Easy access, saves space, keeps clean and easy to choose a cap depending on what else you are wearing. Advantages over cap racks: 1. Easy to clip caps, never difficult to pick up caps from the top; 5. Keep your caps clean in the closet, no more dust layers everywhere; 3. Fits all caps, not just adjustable baseball caps; 4. Suitable for other items such as socks, gloves, etc. A great replacement option for cap racks or a complement to cap racks.