Product Description Material: Nylon + Polyester Colors: Red, Yellow, Black, Blue Sizes: M, L, XL, 2XL, 3XL Features: Durable & Waterproof: Nylon surface with padded lining for comfort and protection. Reflective Strips: Enhanced visibility for nighttime safety. Ergonomic Design: Wider neck and chest padding for breathability and durability. Training Harness: Designed for weight-pulling activities to support controlled exercise. Versatile Use: Suitable for both pet and working dogs. Package Includes: 1x Weight Pulling Harness Size Guide: M: Neck 11.5–15.5" (29–40cm) | Chest 19.5–27.5" (50–70cm) | Back 19–22.5" (48–57cm) L: Neck 15–19" (38–48cm) | Chest 23.5–31.5" (60–80cm) | Back 19.5–25" (50–64cm) XL: Neck 18–21" (46–54cm) | Chest 27.5–35.5" (70–90cm) | Back 21.5–26" (55–66cm) 2XL: Neck 21–25" (54–64cm) | Chest 31.5–39.5" (80–100cm) | Back 23.5–28.5" (60–73cm) 3XL: Neck 25–29" (64–74cm) | Chest 35.5–43.5" (90–110cm) | Back 25–30" (63–76cm)