Give your little feathered friend a fun treat with All Living Things Natural Snack Stack. Designed to provide physical and mental stimulation, your bird will enjoy foraging for his favorite snacks. Only at PetSmart. Features: Good for physical and mental stimulation as well as nest-building. Includes: (1) Quick Link Cage Attachment Intended Pet(s): Medium to Large Birds Color: Natural Dimensions: 5 ⅜" L x 3" W x 13" H Material: Coconut Shell Pieces, Bamboo Pieces, Coconut Fiber, Sisal Rope Instructions: Hang from cage wire with quick link attachment. Caution: Supervise birds at place and replace worn or used toys. Size: Medium.