Size Guide EXTRA SMALL: Neck 25-40cm  Chest 35-55cmSMALL: Neck 40-60cm Chest 45-75cmMEDIUM: Neck 45-65cm Chest 60-90cmLARGE: Neck 55-85cm Chest 70-125cm The Henry Wag Travel Harness offers your dog security and support when on the move. The robust webbing and strong clips combined with the safety buckle and seat belt loop are designed for use in the car as a restraint to keep you and your dog safe during travel. The soft mesh and breathable sponge padding provide comfort for your dog when the harness is worn during walks. The handle provides additional control of your dog in tight spaces. the easily adjustable neck and chest strap ensures a comfortable fit. The harness is fitted with reflective stitching making your dog highly visible in dark situations. Features Highest quality breathable material Easy to put on Soft mesh and sponge padding Adjustable neck and chest straps