Bird Sand Specially selected and graded superfine bird sand with added oyster shell Suitable for all types of aviary and cage birds including Budgies Canaries Cockatiels Finches & Parrots for use on the floor of cages and aviaries to enable easy cleaning The added oyster shell aids digestion and provides essential trace elements and minerals Available in cage size (code no 7) aviary (code no 8) and trade packs (code no 901)