The adjustable waist buckle and the widened shoulder strap design can effectively relieve the pressure on the shoulder and back. Let you play with your pet happily Not too tired. Made of cationic linen + breathable mesh, comfortable and breathable, to ensure that your pet will not be stuffy or uncomfortable in this small space. There is a large zipper on the backpack for easy entry and exit of animals. The opening is designed with a retractable rope. The maximum diameter of the opening is 15 cm and the minimum is 8 cm. You can adjust it according toyour needs. There are two different ways to recite. Put it on your chest, which allows you to communicate and interact with your pet, and can ease your pet's anxiety when traveling. Put it behind your back, it can relieveeffectively the fatigue caused by a long journey and make you more relaxed