X-Large FlightSuit (Bird Diaper) w/AnchorLine plus Flightliners See SIZE CHART photo under pictures on left (roll cursor over photo for a clear view of alphabetical list of bird types and sizes) X-Large fits Eleonora Cockatoos, Medium Sulphur Crested Cockatoos and Umbrella Cockatoos. Cool, colorful & comfy; great for home travel. Veterinarian approved. Think outside the cage; playtime anywhere without the mess! Happier birds -- happier owners! NOTE: ideal FlightSuit candidates are hand-tamed and used to being handled.