Feeding birds has never been so safe or easy! Using an intelligent and eco friendly design made of metal and recycled glass this seed cylinder feeder will attract all types of songbirds. The domed design protects birds from the elements while they eat. Simply insert the seed cylinder you wish to use attach it to the metal carrier with an easy to use hook and watch as Wrens Goldfinches Chickadees Cardinals or other songbirds enjoy their food in comfort and luxury. Hand wash Only. Size Compatibility - Works with up to three seed stackable seed cylinders or seed balls up to 5 in height Drainage - Subtle rubber gasket inserted between the metal and the glass allows drainage keeping the seeds fresh Waste Prevention - Cylinder feeders allow birds to pick the food they eat limiting the amount of food spilled or wasted Recycled Glass - Environmentally friendly design composed of recycled glass