DURABLE and SMART: Super tough and weather resistant design,Strongest connection/seal,this poultry feeder is designed to last and keep food dry and fresh no matter the weather conditions.No more broken feeders or soggy feed. WIDE APPLICATION: Fits for almost all containers,no matter plastic or wooden buckets,barrels or larger box,you can always make an chicken feeder in coop. LESS WASTE: Compared to traditional poultry feeders, this automatic chicken feeder is designed to minimize feed waste, spills and messes, saving on feeding costs. EASY INSTALL: You only need to prepare the container and the drill, no additional hardware is needed, so you can easily assemble the chicken feed dispenser in minutes. This chicken accessory kit includes 4 sets of chicken feeders and a 3" black hole saw. CUSTOMER SERVICE: Our poultry feeders are made of food grade plastic PP.