Suitable Surfaces: The suction cup bathroom shelf is ideal for tiles, glass, mirrors, stainless steel, acrylic, plastic, laminate, and any smooth, non-porous surface. Unsuitable Surfaces: Wood, porcelain, marble, wallpaper, natural stones like travertine, painted walls, and other uneven surfaces. EASY INSTALLATION: If you don't want to drill holes in the walls, our suction cup shower shelf is for you. No tools, no drilling, no screws, no holes, no damage to the wall, 1 second installation. Waterproof and reusable: The shower shelf suction cup is made of high-quality thick ABS and anti-aging TPE, making it strong and durable. The shower shelf is waterproof and oil-resistant. The suction cup can be repositioned and removed multiple times without leaving any residue. Odorless, safe, environmentally friendly, reusable, sturdy, load capacity up to 8 kg. Flexible Use: 22 drainage holes and a 6° inclined base allow for ventilation and water drainage, preventing the growth of bacteria. The