The extent of delivery is subjected to the first picture, the other images are the display effect Range of reference weight of the model of the model s 33-43cm 2-5kg m 43-56cm 5-12kg L 56-69cm 12-23Kq xl 69-81cm 23-29kg xxl 81-107cm 28-60kg Size suggest suitable dog breeds s Teddy dogs , Schnauzer of similar size and medium-sized dogs about two months M Corgi, Silver Fox, Chinese Shepherd Dog and Medium Size Dogs and Great Fighter for about Three months l samo, border breeding, old breeding, German breeding and other medium and large dogs are available for about three or four months. xl Golden Retriever, Labrador, Husky and other medium and large dogs of about five or six months XXL < P> Alaska and other medium and large dogs are available for adult dogs (no more than 110 kg) The recommended dog size is the recommended size. Please select the most accurate size after the measurement. This product is made of fabric and not of metal. Do not let the dog stubbornly bite. After all, there is nothing that Wang Xingren can not destroy. This chest back has a good cushion and anti-stroke function, which is effective in avoiding rabbits and dogs caused by excessive force during use. P> Please allow a slight deviation in the measurement data and make sure that does not bother you before ordering. High quality store for you!