Good Quality - The blue film protects the hook from scratches and does not affect usage. Please remove it before use. The stainless steel hooks are made of 304 stainless steel, which is strong and corrosion-resistant, with a space-saving design. Strong Adhesion - These hooks are not suitable for use on painted walls, painted doors, brick walls, lime walls, or wooden surfaces. Featuring 3M self-adhesive backing, they offer strong adhesion and water resistance, capable of withstanding 5-8 kg of force. Wait 24 hours after installation before loading. Easy to Install - Simply remove the front blue cover and peel off the back 3M PE foam tape, then press onto a clean, dry surface. No drilling required, and the wall remains undamaged. Wide Application - Suitable for various smooth surfaces such as tile, glass, plastic, and stainless steel. Ideal for use in homes, entryways, bedrooms, bathrooms, kitchens, closets, offices, dorms, and more. Fashionable Design - Sleek, functional, and modern design. These stainless steel adhesive hooks are perfect for hanging coats, robes, hats, towels, kitchen tools, umbrellas, keys, and other daily essentials.