Contains: 1 Grass Fed and Finished, Open Pastured Raised Australian Lamb Shank After 2-3 weeks of drying, our chart is as follows: Small - Under 6oz Medium - 6-7.9oz Large - 8-10oz Extra Large - Over 10oz On display from left to right shows our Medium, Large, and Extra Large shanks. We now also carry 3 packs for those who wish to save! Possibly our toughest chew yet! If this is your dog’s first time trying out this type of chew, you can separate this out into 2 or 3 sessions until you can confirm that you dog can handle larger quantities of bone during a single sitting As with any toy or food, please supervise and provide a fresh supply of clean water throughout the entire duration of eat & play time. Discard of any extra bone fragments that break off during chew sessions Best Suited For: Medium to Large Breeds Storage Instructions - Please keep this item in the freezer!