Warm Tips: Before you decide to order our dog coat, please measure the dog’s chest-neck circumference first, and then select the appropriate size according to our size chart. Please reserve 1-3cm space for comfort. Reflective: The jacket is equipped with reflective strips - a word, effectively improving visibility - ensuring the dog’s safety in low light conditions. brightness-the dark night. Keep warm: The coats is made of Oxford-polyester waterproof lining, can withstand all kinds of bad weather. Warm cotton is padding in the coat, effectively maintains the dog’s body temperature. Adjustable: The plush neckline - the adjustable chest, we have combined the jacket - a removable belt with buckles, D-rings can connect the leash to control the dog easily-outdoors. Product Description Color:Grey What do you need consider? 1. You should use a soft ruler to create a circle around the front leg behind the dog’s body, representing the fullest part of the front chest. Remember to reserve 1-3cm