Prevue Pet Products Naturals Double Coconut Walk for Small Animals & Birds 62818 is handmade from 100-percent natural, sustainable, materials providing your bird with mental stimulation and rugged physical play. Made with environmentally conscious coconut shells, sisal rope and rubber wood this toy encourages foot and beak exercise in birds and also makes a great hideout and activity center for small animals including mice and small hamsters. Toy connects easily to cage with quick-link attachments and is hand made – actual measurements may vary slightly. As always, supervise animals at play. Our Naturals Double Coconut Walk for Small Animals & Birds is approximately 18 ??? long from link to link and each coconut is approximately 4?? in diameter.