Nylabone Flexi Chew Bone, Original Flavor, Petite Made from inert soft thermoplastic polymer, designed to satisfy the chewing instinct of moderate chewers. Bristles raised during chewing will help clean teeth and prevent tartar build up. Petite Made from inert soft thermoplastic polymer, designed to satisfy the chewing instinct of moderate chewers Bristles raised during chewing will help clean teeth and prevent tartar build up Not recommended for strong chewers Petite size for dogs up to 15-pound