Bingo-Moose is a line of Moose Antlers made in the USA. Bingo Moose Antler Dog Treat are long lasting and a great treat made from a natural, renewable resource. As always, the Moose are never harmed, these are naturally shed Moose Antlers. Naturally rich in calcium & minerals. Bingo-Moose is 20% calcium. A great long lasting chew.