About this item ①【Size】Dog winter jacket M: 16.5"-20"/42-51cm Chest Girth, 11.8"-15"/30-38cm Neck Girth, 12.2"/31cm Back Length. Size runs small, measurements are very important. Chest girth is the decisive measurement, if your dog's measurement is between sizes, please choose the next size up. ②【Reversible Reflective Warm Jacket】Our stylish dog apparel for winter is reversible, one coat as two. Reflective piping for visibility in the dark. This reversible Reflective dog vest is perfect to keep your dog warm during chilly fall winter months when walking, hiking & running. ③【Premium Material】The dog jackets for winter are made of high-quality nylon fabric and technological double-padded down cotton, which is lightweight, waterproof, windproof and easy-care. Soft inner padded layer offers great warmth and comfort, can keep your dog warm without overheating, insure your dog's freedom of movement. ④【Adjustable Design】Magic stickers are designed on the dog's abdomen and neck, which can adjust the size of the dog clothes to perfect fit more dog shapes. Warm dog jacket with velcro closures, which can easy to put on. Leash access opening design, so you can attach a leash/lead easily. ⑤【Creative Gift】The DOGCHEER reversible dog winter coat with newly designed bright colors let your dog to be the focus in the crowd, which is a good gift for your pet puppy. Christmas is coming, dog cold weather vest is a perfect gift for your kids, friends, and lovers, which can let them dress up for their dogs, stylish and pratical.