Size - Our Sucker cup are perfect size for multiple uses each suction cup has a 35mm x 20mm hook diameter of the suction cup is 50mm. With ours you get twenty sucker hooks, Easy to remove - Suction cup hooks are easy to remove, just push cup flat on surface for hanging objects well without damaging the surface; Lift tab remove easily. Easy installation - Hook suction cup can be easily attached to ceramic tiles and smooth non-porous windows, mirrors, glass also good for hanging wreaths and larger decorations Durable suction hooks - Window suckers for glass Clear PVC suction cup and metal hook, soft, solid and rust resistance, do not yellow, deteriorate or lose adhesion over time. Pack of x20 - You will receive 20 identical suction cups, each with a hanging hook. These suction hooks are perfect for hanging your Christmas decorations around your home. Pack of x20 - You will receive 20 identical suction cups, each with a hanging hook. These suction hooks are perfect for hanging your Christmas decorations around your home.