Material: Plastic + stainless steel. Due to their transparent design, they are hardly noticeable. The multi-purpose hooks are good for kitchen, bathroom, bedroom, office, etc. for hanging cups, cups, pans, towels, keys, hats, picture frames, etc.without drilling Transparent, self-adhesive, waterproof, oil-resistant, leaves no marks on removal . Strong sucker can attach on glass, ceramic brick, stainless steel, smooth metal and so on. Product details 1. Big and Rustproof: The sticky hooks are sturdy enough to hold a college backpack. Heavy-duty hooks and non-magnetic metal durable stainless steel construction resists corrosion, meaning it will last in the bathroom without rusting. 2. Practical hook: widely used in kitchen, living room, bedroom, bathroom, closet, ceiling hook, coat hook, key hook, plant hook, bath towel hook, photo hook and other decorations. 3. Easy installation: Clean and fix the surface on the surface before use, and stick it firmly on the smooth and non-porous surface to ensure that the adhesive is tight and not easy to fall off. 4. Sturdy and Versatile - Hooks securely attach to a variety of interior surfaces, including painted walls, finished wood, glass, tile, metal, and other smooth surfaces. No drilling or tools required, easier to apply and remove without damaging the wall. Size: 6x6cm . Color: Transparent(6cm×6cm). How to install it: 1. Thoroughly clean and dry the surface. 2. Peel off the outer skin of the tape. 3. Paste on any smooth surface and press firmly to remove air bubbles. 4. It is recommended to allow 12 hours before hanging anything to ensure the product is signed off. How to remove them: Heat the hook with a hair dryer and slowly remove it from the bump without any scratches.