The whole body is constructed of Type 304 premium grade stainless steel,with added 18/10 Chromium/Nickel content to protect against corrosion & rust.4 protection layers are added on 304 stainless steel to make it More durable and More Anti-Rust. Material properties: 304 stainless steel Installation method: Punch/no nails Size (CM): Length 30cm Reminder: pure manual measurement, slight deviation, subject to the actual product. Matte Black, Stylish and exquisite matte process make it look fashion and feel comfortable. ONLY clean with a soft, damp cloth gently. Modern style and practical designs for your bathroom, suitable for most kinds of bathroom dcor. Cost-Effective Products - favorable price for high quality product, ideal choice for bathroom. Hardware package, installation guide and stainless steel screws included. Constructed of 304 stainless steel ensuring durability and dependability. Matte Black, Stylish and exquisite matte process make it look fashion and feel comfortable. ONLY clean with a soft, damp cloth gently. Modern style and practical designs for your bathroom, suitable for most kinds of bathroom dcor. Cost-Effective Products - favorable price for high quality product, ideal choice for bathroom. WARM TIPS: Please note that there may be some chromatic aberration due to uncontrollable reasons such as light and display. Since it is manual measurement, please allow the size to have an error of 0-3 cm. Please confirm the size before your purchase.