Product DescriptionColor: red, gray, blackS: 23 x 12 x 42 cm,M: 25 x 12 x 48 cmL: 28 x 12 x 57 cmMaterial: high-quality oxford fabricContent: 1 x dog backpack.1.COMFORTABLE MATERIAL - This bag is made of machine washable, breathable, soft fabric. The material is thick enough to ensure softness and make your pet comfortable, large ventilation windows on both sides of the backpack, comfortable and breathable.2.SAFE - This pet carrier bag keeps your pet light and has a safety buckle to ensure your pet is safe. The front of the backpack and the shoulder strap are equipped with reflective strips to ensure safety at night.3.Outdoor life-saving whistle - If you encounter an unexpected situation, you can whistle for help. The shoulder strap slider can be adjusted up and down, suitable for all types of people.4.SUPERIOR COMFORT FIT AND COMFORT - The back and shoulder straps are equipped with extra thick padding for comfort on long journeys. Zipper pocket, can help you store coins or devices, keys, cards, etc.5.No matter where you go, I will follow you - Whether you are going, walking, hiking, weekend adventures, traveling, shopping, cycling, subway, etc. Suitable for medium-sized dogs, Corgi, Teddy, French Bulldog, Shiba Inu, not for large dogs.