Busy Buddy treat rings are designed as refills for select Busy Buddy dog toys. The combination of toys plus treats motivates dogs to play longer, redirecting potentially destructive behavior into positive playtime. Size B bacon flavored cornstarch treat rings fit Busy Buddy toys that hold Size B treat refills. Examples include the Medium Bouncy Bone, Small Bristle Bone, Medium Bristle Bone, Medium Jack, Small Nobbly Nubbly, and Medium Nobbly Nubbly. Ingredients: Cornstarch, Rice Starch, Sorbitol, Maltose, Non-Animal Based Natural Bacon Flavor. To give your dog more variety, try other Busy Buddy treat rings, available in a variety of flavor options.