AntlerMax® Deer Block is an 18% protein, water-resistant, fortified, year-round supplemental feed block designed to enhance the deer’s natural forage diet without the need for a feeder. This highly-palatable, easy-to-use 33.3-pound premium block supplement for attracting and maintaining deer contains Purina’s proprietary AntlerMax® By-Pass Protein Technology, AntlerMax® Mineral Technology, Water Shield® Technology, AntlerMax® Extreme Energy Supplement, and Climate Guard® Supplement.