【premium material】 The invisible shelf brackets are made of excellent iron metal material with smooth edges, which is sturdy, anti-oxidation, rust-resistant and durable. 【function】 A new elegant and space-saving storage solution that no longer clutters the whole house. The strength is enough to be stable, you don't have to worry about the shelf shaking or falling down. 【Stable design】Unique triangular structure design, the invisible shelf bracket hides perfectly in your wooden board and creates a floating effect. 【Extensive applications】Suitable for shelf brackets, cabinet brackets, furniture shelves and partition maintenance. You can place books, vases, photos and other small accessories on a floating display stand. 【What you get】pack of 4 concealed shelf brackets, suitable for bedrooms, living rooms, balconies, dining rooms and offices. Overall dimensions of the bracket: 100 x 80mm/3.94 x 3.15inch. Product Description Features: The bracket invisible shelf is made of high quality