Features:The silver strips can reflect light at night, greatly increasing the safety of pets going out at night.Breathable mesh vest makes pets comfortable to wear.Reduce burden on the back, walks the dog without harming the dog.Adjustable webbing at the bust to make the strap more fit.Alloy towing hook makes pets travel safer. Specifications:Material: Oxford-clothSizeS: Approx.Neck Cir:25-45cm/9.84-17.72 inch, Chest Cir: 43-57cm/16.93-22.44 inch, Pet Weight: 8-15kg SizeM: Approx.Neck Cir:43-57cm/16.93-22.44 inch, Chest Cir: 53-69cm/20.87-27.17 inch, Pet Weight: 15-25kg SizeL: Approx.Neck Cir:48-63cm/18.90-24.80 inch, Chest Cir: 58-79cm/ 22.83-31.10inch, Pet Weight: 25-30kg SizeXL: Approx.Neck Cir:55-73cm/21.65-28.74 inch, Chest Cir: 62-92cm/24.41-36.22 inch, Pet Weight: 30-40kg Color: Blue, Yellow, Green, Coffee(optional) 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 differences between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Pet Vest