You will love this Roll Around Travel Pet Carrier. This stylish airline approved dog carrier makes traveling with your pet easy whether its across the skies or just down the block in your car. It easily converts into a backpack, car seat and pet bed with its 4 in 1 design. Features breathable mesh sides. Multi-stage telescopic handle adjusts for just the right angle and height for any owner. Car seat function has been crash tested at 30 pounds at 30 miles per hour for safety. This medium sized Roll Around Travel Pet Carrier is suitable for small pets weighing up to 15 pounds.