Made of extra-tough nylon for powerful chewers weighing over 50 pounds. This durable toy helps encourage positive chewing habits, and the bristles raised during chewing clean teeth and help control plaque and tartar buildup. Nylon chew toy satisfies aggressive chewers Helps clean teeth and freshen breath as dogs chew Discourages destructive chewing Proudly made in the USA! Helps with: Training & Reward Weight Management Dental Care Stress & Anxiety Boredom Destructive Chewing Treat Size: XXL (dogs over 50 pounds)