B&W Big Blaze Mineral Feeder has 3 divided bins for mineral separation, with deep mineral compartments hole that can hold up to a total of 150 pounds of mineral. Made of heavy rubber, the self closing top can easy be removed if necessary. Reinforced rubber top to reduce wear on center hole. The polyethylene constructed base eliminates rust. Excellent for bull pens and rough stock. Stake holes allows anchoring to ground, if necessary. Open bottom to allow air flow beneath feeder. Bright orange color makes finding feeders in the pasture easy.