①. Safe and comfortable: Adjustable closure allows your pet to put their head out and enjoy the fresh air and beautiful scenery. In addition, the safety buckle design allows you to adjust the shoulder strap according to your convenience. Top opening for easy access. ②. Quality: It is made of oxford material, canvas, and heat - treated mesh fabric, without pungent odor. Integrated hook can be connected to the pet's collar for safer carrying. ③. Details: It has a durable and lightweight design. The large zipper allows easy access to pets, and stickers make pets safer. ④. Convenient: There is a side pocket on the adjustable shoulder strap, which is convenient to put your phone or other small items. ⑤. Size S: Shoulder strap length is 109cm. It is suitable for animals up to approximately 4 kg, with the size of 40*22*10cm. It is suitable for outdoors, walking, strolling, traveling, allowing you to see the world with your pet by your side.