Condition: Good. No notable flaws. Patented design applies gentle, constant pressure to calm anxiety, fear, and over-excitement. This gentle hugging produces a dramatic calming effect. Calms your dog during fireworks, thunder, separation, travel, vet visits, grooming, and much more with no training and no medication. Comfortable and easy on/off. Made of durable, breathable, soft fabric that is washable. Recommended by trainers and veterinarians to relieve stress-related behaviors such as jumping, excessive barking, and inappropriate marking. Proven effective in over 80% of dogs. Size: X-Small Chest Circumference: 13-17 inches Pet Weight: 8-14 lbs Breed Examples: Cairn Terrier, Mini Dachshund, Border Terrier