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!