These economy-priced feeders are designed exclusively for the hobbyist. Feed saver lips minimize spillage. The 11 lb and 22 lb feeders feature adjustable feed levels. Anti-scratch vanes help prevent crowding and feed waste. Size is 11 Pound. Dimensions are 12 X 12 X 11.5 Hdpe High Density Polyethylene Plastic. UPC Code = 084369096560