Use these feeders for loose minerals. Goats won't tip it over and ruin the minerals inside. Made from high-density, noncorrosive polyethylene. Mounts easily on the wall. Control flow of minerals by turning screw on front. Perfect for feeding our Capri-Min #1, #2 and Buck Power minerals. Only 24" high, 10" wide, and 4" deep, it can hold approximately 25 pounds of minerals. We offer discounts when you buy 2-3 ($32.00 each) feeder or 4 or more feeders ($30.00 each).