Nice Looking Corner Floating Shelves Wall Mounted This corner floating shelf features rustic and industrial style design and its beautiful wooden texture, it will be a perfect match to your dull wall in your room. Heavy Duty and Easy to Setup Corner Wall Shelves This corner wall shelves are made of MDF wood, which is very sturdy. each board can support 60 lb objects. With the detailed directions and all hardware, it only takes 8 minutes to install the corner bookshelf. Package Included 4×22 Inch corner floating shelf boards, 12 brackets, directions, wall anchors and screws.