Prevue Pet Products Pacific Perch Beach Walk X-Small 1004 is a great natural foot exercise perch for your small bird. The tapered diameter encourages healthy foot exercise while the hard sea shell coating adds texture for grooming beaks and nails. Each Beach Walk perch is made of 100% natural ground seashell providing calcium to your bird as it chews. Tough and long-lasting, Pacific Perches attach directly to your cage and are available in assorted colors only. Each Pacific Perch Beach Walk X-Small 1004 perch measures 5” long with a diameter varying from 5/8” to 1”.