The Natures Way Bamboo Oriole Bluebird Bird Feeder (BWF17) is artistically designed to give your birds a durable and safe feeding station to enjoy with. It is made of solid cross-ply bamboo with crack resistant acrylic weather shield and windows. It also features corrosion resistant hardware such as vinyl coated steel hanging cable and stainless steel screws. The feeder is also built with a water-based protective stain for long lasting efficiency. The unit provides 2 removable, seed-thru bowls for bird's all-time favorite grape jelly or mealworms. Once purchased, you are rest assured with our exclusive ten year warranty.