Featuring a snap-adjustable design, this pet chest harness keeps your pet free from tightness and features a reflective design to keep you safe walking at night, even in low visibility conditions or on dark nights. Flexible, lightweight, breathable, comfortable and soft, this pet chest harness wicks away moisture well, creates a dry environment and gives your pet a comfortable wearing experience. It is constructed of polyester material. There are four sizes for you to choose: XS, S, M, L. It is a pet supply for walking, outdoor activities, traveling, etc. Item Name: Pet Harness Material: Polyester Features: Adjustable, Comfortable Fit, Reflective Size Details: Size XS, Neck Circumference: 30cm-35cm/11.81"-13.78", Bust: 34cm-40cm/13.39"-15.75" (Approx.) Size S, Neck Circumference: 32cm-38cm/12.6"-14.96", Bust: 40cm-45cm/15.75"-17.72" (Approx.) Size M, Neck Circumference: 36cm-42cm/14.17"-16.54", Bust: 42cm-48cm/16.54"-18.9" (Approx.) Size L, Neck Circumference: 36cm-44cm/14.17"-17.32", Bust: 48cm-53cm/18.9"-20.87" (Approx.) Pet Leash Size: 150cm x 1.5cm/59.06" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pet Harness 1 x Pet Leash