JW Pet Insight Sand Perch Swing for Parakeets & Similar Sized Birds (Small)Your pet bird will enjoy swinging on this Sand Perch Swing by JW Pet Company. In addition to providing entertainment, it's coated with sand to wear and smooth bird claws and varies in diameter to help provide a work out for bird feet muscles. Legs muscles also get a good workout with this swing. Easy to attach to the inside of your bird's cage, just place away from other perches or objects. Size of swing is 6.5 x 5.5 inches. Color may vary.