The size of this bird educational toy is suitable for small and medium-sized birds, like parrot, parakeet, cockatiel, etc. Made of wood, plastic material, safe for bird to chew and bite, durable for use, long serving life. design, it is very easy to attract birds' attention. Features -Color: Assorted Color. -Material:Plastic, wood -Size:7.60X7.50X7.50cm/2.99X2.95X2.95in -Note: the ring color is random. - The toy can also help your parrot to grind their mouth, much convenient and practical. - Provide essential physical activity and reduce and loneliness for your birds. - Suitable for all types of parrots and birds, easy to fit into a cage, and not so large that you need a larger cage to fit. - Pet to peck and chew, your pet bird can play with it without any misgivings. - Adoption of simple and convenient design, this toy can be used for a long time. Keep your parrots in a happy mood and improve their state of health. Package list: 5 pcs x 5 × 7cm rings 5 pcs x 1 × base