Canadian Brand. Rollover Medium Gourmet Lamb Biscuits are made directly from their all-natural Lamb & Rice dog food, sliced and baked to be a nutritious treat. As with our premium lamb dog food, they are completely natural. These biscuits are hard - and are meant to be - so that your dog receives the full dental benefits while enjoying this nutritious, tasty treat. Each medium biscuit is approximately 2.5" in diameter and this bulk box of 200 is a great value.