Features: Breathable fabric, overall light and breathable. Reflective design, safer to travel at night. Fits the body, does not hurt the pet body, and walks freely. Double-D shape buckle protections to prevent pet escape. Electroplated metal hook, 360 degrees rotatable. Buckle design, easy to use. Specifications: Material: Cloth Size: Approx. Small: Bust: 38-44cm/ 14.96-17.32in, Neck: 24-32cm/ 9.44-12.59in Middle: Bust: 43-51cm/ 16.92-20.07in, Neck: 32-40cm/ 12.59-15.74in Large: Bust: 50-56cm/ 19.68-22.04in, Neck: 40-45cm/ 15.74-17.71in Extra-Large: Bust: 54-62cm/ 21.25-24.41in, Neck: 45-54cm/ 17.71-21.26in Color: Red, Purple, Orange, Green, Brown, Blue Package Includes: 1pc Pet Chest Strap Harness note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the different between different monitors, the picture may not reflect the actual color of the item.