Living World feeders and water cups come in a variety of styles and colours. All have been carefully designed to meet the specific feeding and drinking habits of pet birds. They can be used as primary sources for food and water or as extra cups to feed treats and supplements. The Living World Seed Cup has a convenient access perch and comes complete with wire cage attachments. Size: 112 g (4 oz), medium, 9 x 8 cm (3.5 x 3 in).