The Kurgo Tru-Fit Smart Harness is designed for enhanced strength and comfort for your dog. It has been crash-tested according to child seat standards for dogs weighing up to 34 kg. The harness features an adjustable design with five adjustment points for a customizable fit, a NO-PULL D-ring, and a wide, padded chest plate for added protection and comfort during everyday use and car rides. A dog seat belt (carabiner with strap, seat belt loop with attached carabiner) is included and is compatible with any car seat belt system. It can also be used as a guide for training. This Extra Small size fits dogs with a neck circumference of 23 - 33 cm and a chest circumference of 30 - 44 cm. Please refer to the Kurgo size chart for more information. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.