Woodlink GGHOPPER1 Going Green Premium Hopper Feeder Wood link Going Green environment friendly hopper feeder Roof and base made from 100% recycled plant fiber; completely biodegradable and non-toxic to the environment Seed hopper holds up to 4 lbs. of mixed seed Easy to fill swivel top, clear hopper allows seed visibility Tested and certified for environmental and consumer safety (ASTM, FDA); Made in the USA