1. Before purchasing this product, please check the type of wall you have. Only suitable for any non-porous and smooth flat surface. Tile, glass, mirror, granite, stainless steel, acrylic, laminate and any non-porous surface with a glossy finish; not suitable for grout lines or porous surfaces, such as: wood, unfinished marble, granite, porcelain, wallpaper, natural stone (such as travertine), painted walls and any uneven surface, etc. 2. No tools, no drilling, no screws, no holes required. Dimensions: 10-1/2 inches (length) × 5-1/2 inches (width) × 4-1/2 inches (height). The suction cup is 2-3/4 inches in diameter. Hand-polished stainless steel surface, which can resist daily scratches, corrosion and tarnishing. 3. Convenient bracket-adhesive pad makes placement easier and more effectively prevents air from entering, effectively forming a vacuum. The product forms a vacuum by rotating. Self-draining storage, can store shampoo, soap and other items. 4.Sturdy Structure, Rust-proof- This shower rack is made of SUS 304 stainless steel material, ensuring that it can store shampoo and shower gel for a long time and adheres firmly to the bathroom. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store