Boss Buck 200 Pound Gravity Fed Tripod Corn and Protein Pellet Feeder (2 Pack) small home office fan powered plug in thermostat 100 percent self contained design protects machinery Color:Cyberspace 100 percent self contained design protects machinery The 70 percent bamboo derived viscose and 30 percent organic cotton blend fabric is breathable and environmentally sustainable too Enhance their diets with different nutritional feeds or you can also use this deer feeder as a hunting attractant This tripod deer feeder can hold up to 200 pounds of non salt based feeds like corn and protein pellets (salt based mineral supplements may damage the feeder