Exotic Nutrition Corner Shelves are heavy-duty metal platforms that attach to your pet's cage as a perch or climbing platform. These shelves are designed with powder-coated steel material making them super durable, chew-proof, and easy to wipe clean. The shelves have an opened-corner design measuring 5.5" wide, making it easy for pets to access the shelf from the inner corner of the cage. These Corner Shelves are universal so they can work with any cage as long as the cage has 90 degree corners and wire bars to install the shelves. Suitable for a variety of animals such as sugar gliders, squirrels, chinchillas, prairie dogs, degus, or other chewing animals. Hardware included (4 thumb screws and washers). Measures: 24" (front side) x 11" (back side) x 7.5." (right & left sides) *May require two people for installation. Place the shelf inside the cage and hold in place where desired. Insert washer onto the end of the thumb screw then insert the screw from the outside of the cage into one of the four designated holes on the shelf. Use the thumb screws to tighten into place. Repeat with remainig hardware. Net Weight: 4.3 lb. (for both shelves, including packaging) Shipping box measures 24" L x 7" W x 2" H.