The Frame hanger dimensions 2 1/2" X 2" and is for indoor use, adhesive may fail in extreme heat or cold. Instructions; 1. Peel off the liner, avoid touching the adhesive. 2. Press the hanger firmly on desired location. 3. Allow adhesive to cure for 24 hours before hanging. 4. Hang using nails, hooks or screws. Hanger will flex. Frame Hanger purchase may only be in conjunction with a purchase of a complete Star (Top & Base)