VERY IMPORTANT: Choose the right backpack when you measure your back length and second chest circumference for the first time. It has nothing to do with weight. Be sure to measure the back length Small chest pocket can store small items, terry middle layer is soft and comfortable, pure cotton lining is comfortable and breathable, bust can be adjusted and fixed, and the operation is simple and convenient Wide field of vision, easy to carry, can be carried back and forth, the shoulder strap can reduce the weight of the pet, easy to take out Environmentally friendly PU fabric, dirt-resistant and easy to clean; Environmentally friendly PU is easy to clean, just wipe it with a damp towel, wear-resistant and durable, with electroplated alloy dog buckle, which can be buckled on the dog's pet collar. company to fix the animal to prevent the dog from being caught jumping out of the backpack