describe: High-quality fabric: The backpack is made of high-quality mesh fabric, lightweight, comfortable, environmentally friendly, breathable and non-irritating. Let your pet feel free without being stuffy and smelly. Mesh Design: Mesh window ventilation is visible, allowing your pet to breathe freely and relax, enjoy entertainment with the owner. Adjustable side and front eyelet rope mesh pockets can help store belts, whistles, water, snacks, snacks and other essentials. ADJUSTABLE STRAP: The front hole can be adjusted with the strap according to the size of the pet, which helps reduce the burden. An additional waist belt with buckle keeps the backpack stable. Safe and Comfortable: The inner rope with clip can be attached to your pet's collar/harness to prevent them from jumping or hurting you. make them safer. The well-ventilated design ensures optimal air circulation so your pet can relax. Scope of application: S size backpack Small size is suitable for dogs around 8 lbs; Suitable for cats, small and medium dogs, very suitable for outdoor travel, sightseeing, camping and hiking. Size Options: S, M, L Color: Red, Black, Green, Orange, Blue, Rose Red Shipping Quantity: 1 piece