4 Pack, 2 OZ, Giant Destroyer Cartridge Rodent Gasser, Peggable, Kills Burrowing & Tunneling Animals Such As Moles In Their Natural Habitat, 2 Times Larger Than Others, 3 Times The Gassing Area, Contains No Poisons, Good Earth Compatible, Made From Natural Organic Substances, Biodegradable, EPA# 10551-1, Canadian PCP Domestic #12269, Peggable, Blister Display Card.