Stainless steel Constructed of premium stainless steel, against corrosion and rust.Built to resist daily scratches, corrosions and tarnishing. Easy to Install: 3M Self-adhesive, This self-adhesive hook does not need to drill holes in the wall and does not require any tools or screws. Just peel off the sticky tape on the back and stick it to the wall.will not damage the wall or glass, strong adhesion and protect against water. Save Space: The design is simple and modern to not only save space but also decorate your bathroom with style.Easy to install and clean, make your home more neat and tidy. Multifunction Suitable for any smooth surface, can hang towels, bath towels, S-hooks, clothes, hats, kitchen gadgets, etc. Suitable for bathrooms and kitchens.