Chasing Our Tails Elk Rack Snack, 100-Percent All Naturally Shed Elk Antler Chew, Medium Size 5-Inch to 7-Inch, For up to 40# Dogs Weighs significantly more than our competitors, please review shipping weight below to compare Medium recommended for breeds between 16 and 40-pound Great source of calcium, zinc, manganese and potassium help keep tartar knocked down on teeth Great indoor chew, leaves no greasy mess on floors does not develop odor like hooves or bully sticks Natural product of the U.S.A