[ Notice]: Before purchasing, please measure the dog's sitting height (from front legs to the top of the head) to ensure that the dog's sitting height is within the recommended range, otherwise it may be too large or too small; L size: 44*34*27cm, suitable for cats less than 7kg; for dogs less than 6kg and sitting height ≤40cm; XL size: 49*40*33cm, for cats that 7kg~11kg; for dogs 6kg~10kg, and sitting height 40cm~45cm [Premium Materials]: Our dog backpack is made of Oxford fabric and 210D backing, scratch-resistant and wear-resistant. The internal steel wire frame ensures stability and prevents collapsing. The bottom of the cat travel bag is made of different materials on both sides, one side for keeping warm and the other for cool, flexible to use with the temperature change, and the easy disassembly is more convenient for cleaning. [Outstanding Ventilation and Visibility]: The Pecute cat backpack has 4 sides of mesh windows, and the large mesh window design ensures adequate air circulation and provides a wide and clear view for your pet. The top mesh window is convenient for feeding or interacting with your pet, which can effectively relieve your pet's anxiety and boredom. [Warm reminder]: When the pet enters the bag, in order to prevent the pet from escaping halfway, please attach a clip-on safety rope to the pet collar to prevent escape, and lock all self-locking zippers on the backpack. [Design Ingenuity]: The Pecute Pet Backpack features wide, padded and reinforced shoulder straps for optimal comfort. Anti-wobble buckles on the chest and waist adjust and relieve pressure as needed for added stability and comfort. [Multifunctional]: The multifunctional cat backpack carrier can be worn in three different ways: on the back, hand-held, or hung on a luggage cart. In addition, the pet backpack is designed with multifunctional pockets for easy storage of on-the-go supplies. Why choose the Pecute pet carrier backpack? -Comfortable and stable design: The adjustable shoulder straps and buckles with widened adjustable shoulder pad help reduce the load and increase comfort. The two buckles for the chest and belly of the pet backpack help to reduce shaking and keep the carrier stable during travel. -Convenient storage: The cat carrier backpacks have pockets on both sides to allow you to store food, trash bags, and other necessary accessories, such as bottles, snacks, keys, cards, or mobile phones. -Safety features: The cat backpack comes with a built-in safety belt that you can connect to your pet's collar to prevent them from accidentally escaping or falling. -Sturdy and comfortable cushion: The dog backpack carrier has a removable firm bottom that features soft cushioning for your pet to sit or sleep comfortably. Overall, the Pecute pet carrier backpack offers a comfortable and stable design with convenient storage and safety features to ensure a safe and enjoyable travel experience for you and your furry friend.