1. This shower rack is made of anodized stainless steel through polishing and sanding processes. It is durable and sturdy, resistant to rust, dust, scratches, corrosion, and damage, and is suitable for humid environments. 2. One set of overall dimensions (length x width x height) is 40 cm x 10.3 cm x 5.7 cm (15.74 inches x 4.05 inches x 2.24 inches), and the screw holes are 0.5 cm (0.19 inches). 3. Another set of overall dimensions (length x width x height) is 30 cm x 10.3 cm x 5.7 cm (11.8 inches x 4.05 inches x 2.24 inches), and the screw holes are also 0.5 cm (0.19 inches). 4. This wall - mounted shower storage rack features a guardrail design, which helps save space and can neatly store items, keeping them stable and reducing the risk of falling or tilting. The modern design brings a unique and refined style. 5. It can be used in bathrooms, washrooms, kitchens, bedrooms, or other places where you want to display items, for storing shampoo, shower gel, facial cleanser, essential oils, spices, seasonings, bottles, jars, etc. 6. The package includes 1 shower rack, 2 mounting screws, 2 wall anchors, 2 hidden caps, and 2 nuts. The installation is relatively simple and secure, and the decorative caps help hide the screws, making it look more stylish and elegant.