Comfort and fit you can trust - High quality materials for comfort: The outer layer is a soft, durable polyester fabric. The interior uses a dense, small perforated mesh cloth for superior breathability. The dense weave helps prevent dog hair from sticking to the fabric while remaining smooth against the skin. - Size guide for a secure fit: XS (Bust 26-29 cm) for pets under 1.5 kg S (Chest girth 30-34 cm) for 1.5-3 kg M (Bust 35-40 cm) for 3-4.5 kg L (Bust 41-46 cm) for 4.5-7 kg XL (Bust 47-52 cm) for 7.5-10 kg Please measure your pet accurately before ordering to ensure the best fit. Safety and design features - Reflective and visible: The harness is designed with reflective elements to improve visibility in dark or low light conditions, enhancing safety during night walks. - Stress distribution: The westarting design evenly distributes pressure across the chest and shoulders to reduce strain on your dog during movement. Control and versatility - Easy control: A durable alloy traction hook is mounted on the back, making it easy to attach a leash for controlled walking, running, or training. - Versatile use: Ideal for daily walking, outdoor training, hunting, and more. Attach a traction rope to guide your pet when needed during walking, jogging, shopping, or exercising. Practical usage scenarios - Everyday neighborhood walks: Gentle control and secure fit keep your dog comfortable and safe on routine strolls. - Training sessions: Reliable leash attachment and even pressure distribution support obedience and training exercises. - Low light or evening outings: Reflective design enhances visibility for safer activities in dim conditions. Note - Please measure your pet’s size accurately before placing an order to select the correct size. The product remains faithful to the described materials, construction, and sizing, ensuring consistent performance and safety.