→ QUICK OVERVIEW → MATERIAL → The glass brackets holders are made from 304 stainless steel, strong and sturdy, which is rustproof, waterproof and heat-resisted, not easy to damage,to ensure service life. → SIZE → Size 55x 30 x 13 mm. Keep either glass,acrylic or wood shelves firmly in place.Suitable for glass, acrylic or wood shelves 0.3" to 0.5"/ 8 to 12mm thick,adjustable. → DELICATE & UNIQUE →They are waterproof and lightweight which makes them easy to install. Perfect for shower articles, displaying collectibles, organizing books or showing off your latest treasures. → MULTIPLE USE → Perfect for use in bathrooms, kitchen, shower room and living room. These shelf clamps can be used to secure a shelf for storing shampoo bottles or other lightweight shower articles in the bathroom; for displaying collectibles, organizing books or displaying your latest treasures in the living rooms,etc. → PACKAGE CONTENT → Shelf Brackets X 4 (1 pairs), Mounting Hardware. → PLEASE NOTE: 1. A little error might exist due to manual measurements, please kindly understand. 2. Different light shooting and different displays may cause the color of the item in the picture a little difference from the real thing.