Diamond-shaped mesh with easy clinging and feeding from both sides to feed more birds. Moisture drains through the mesh, so your seed lasts longer. Slide door open to fill.  Includes hanging chain. All-metal with yellow and black weather-resistant finish. Fill with sunflower hearts/or chips to attract woodpeckers, nuthatches, chickadees, finches and many other small birds. Seed capacity is 0.4 lbs / 0.2 kg. 
Dimensions: 2.4"W x 9.8"H ( 6 x 25CM)