~This bubble backpack is great for you and your pet while hiking, traveling, or taking your best friend to the vet, or outdoor use. ~The pet bag has enough holes and vents for environmental control within the bag and to make sure that enough air and oxygen passes through that our little four-legged family member is safe. ~Item Dimensions: 15 in x 11 in x 15 in. Suggested Weight: 20 lbs for small to medium size cats and puppy. Most Airline Approved under seat. Important: Please Check your airline requirements before traveling. ~The side pockets can be flexibly used with mini fan in summer.The front pockets can be used to store pet snacks and other pet essentials. ~The pet backpack is made of superior High Density Canvas which is scratch-resistant and sturdy for long lasting use.Many zippered openings for ventilation and easy to get the pets in or out with large side openings.