The Boss Buck 350 lb. Post Feeder features tough rotomolded plastic and easily mounts on a 4 in. x 4 in. Post. It has four gravity fed feed tubes. It has a removeable lid with thumbscrew closure and the lid is loose fitting to allow for proper ventilation. It also includes a post stabilization sleeve and mounting hardware. When you need to create a feeding setup you can rely on, Boss Buck has you covered.