1. The cap holder made of sturdy metal + Double Nylon. NO PLASTIC! Comes with easy to follow instructions. Easy installation – no tools required! 2. Attaches to the door with easy elastic bands on 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 home, dorm room or wherever you keep your collection. It comes with an over-the-door hook that fits doors 1.5" to 1.75" thick. Also place on a wall or ceiling as a mobile. 3. STAY 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 avoid damage to your sports collection. The Baseball Cap and Closet Organizer was perfectly designed to handle small places where organization is a must. 4. Advantage: Easily accessible, save space, keep clean and easy to choose according to what you wear. Advantages over hat rack: 1. Easy to clip hats, never difficult to pick up hats