TOKYO-T Pet Bird Cage Water Bottle Dispenser Feeder for Zebra Finch Budgies Set of 2 Set of 2 : (H) 5 inch /13cm (W) 1.5 inch /4cm (Volume) 80ml Width of intake : 0.4 inch /1cm #Please check the beak size of your bird Bar space : 0.3-0.4 inch Clear frame for check water volume Material : plastic