Reusable Hooks - 3 Rectangular Medium Hooks plus one additional back for next use. Hooks are 1 1/4 x 1 x 1" Safe adhesive. Easy to hang and remove. Leaves no marks. Great for hanging keys, jewelry, wall art, calendars, clocks and decorations. For best results, mount on glass, tile, wood or metal surfaces. Another great Home Solutions item by Great Lakes Select. 72 master pack. 24 inner pack.