Premium MaterialThe invisible shelf brackets are made of excellent ferrous metal material with smooth edges, which is sturdy, anti-oxidation, rust resistant and durable. Function A new stylish and space-saving storage solution that no longer clutters up the entire house. The strength is enough to be stable. You don't have to worry about the shelf swinging or falling. Stable DesignUnique triangular structure design, the invisible shelf bracket hides perfectly in your board of wood, creating a floating effect. Wide applications Suitable for shelf brackets, cabinet supports, furniture shelves, partition maintenance, you can put books, vases, photos and other small accessories on a floating display. What you get A pack of 4 concealed shelf brackets, suitable for bedrooms, living rooms, balconies, dining rooms and offices. Bracket overall dimensions: 100 x 80 mm/3.94 x 3.15 inches. Functions: The invisible shelf bracket is made of high quality iron material, sturdy and durable. The appearance is triangular. All shelves can be hung and hidden at the bottom of the shelf. The triangular design is enough to be stable. You don't have to worry about the shelf shaking or falling. Suitable for bedrooms, living rooms, balconies, dining rooms, offices, etc. Ideal for racks shelves, cabinet brackets, furniture shelves, dividers and more. Product Information: Product Name: Floating Shelf Brackets p> Material: Iron Thickness: 3mm Size: 100 x 80mm / 3.94 x 3.15inch Package Including : 4 x wall shelf brackets 16 screws