The Sleep-N-Ledge enables you to create comfortable corners or additional shelves for your critter to lay on. Measures 7" wide and includes 2 sturdy chew-proof brackets to attach it to any wire cage. Use more than one to create multiple places to look, leap and lounge! It's made from 100% natural wood, so it's safe for pets to chew. Recommended for chinchillas, pet rats, sugar gliders and other climbing critters.