This small pet carrier is made of selected mesh fabrics, environmentally friendly smell, non-irritating and breathable; it is not easy to be scratched by animals, while making the dog breathable and comfortable in the bag without sultry heat The buckle design inside the carrier can connect with the pet collar that will keep pets out, and protect pet's safe. The stretchy strap with buckle keeps the backpack stable. The front hole is adjustable with drawstring according to the size of your pet. Well-ventilated design for optimal airflow and pet checking, soft and comfortable lining for your pet to relax and rest. Mesh windows are ventilated and visible, allowing your pet to breathe freely and relax. Zipped top entry allows for easy access. Mesh side pockets help store leash, whistle, water, snacks, treats and other necessities. Pet backpack can be worn facing forward or backwards, 3 sizes available for cats, small and medium dogs.