Java Wood Fun Spongy Bird Toy This Java Wood Fun Spongy Bird Toy is made with all natural, earth-friendly materials. It's perfect for smaller birds that love to pluck or preen. Birds love the components in this toy, such as java wood, sisal rope, calcium, bamboo, and coconut. It attaches easily to any cage and will provide hours of fun! Product Features: All natural materials Curbs cage boredom Great for smaller birds Item Specifications: Size: Medium - 7" x 6" x 6" Large - 10" x 7" x 7"