Cat and Dog Bubble Backpack Carrier: Clear bubble features transparent view for puppy and cat for easy stretching out from the window. enjoy the sunshine and nature better. Fits puppy up to 15 lbs or 18 lbs large cat and fat kitten. Breathable and Ventilation: Honeycomb cover performs great ventilation and provides private space for fur friends inside. Both honeycomb cover and clear bubble window accessories are included in the package. Giant Side Net Opening: Each side can be zipped as giant access-opening. net shelter to give as much air flow as possible to avoid stuffiness. Built-in 2 side pockets for leash. harness and food etc storage. Portable and Shoulder-Wear: Entire backpack weighs 3 lbs only. Padded shoulder straps pet carrier backpack with adjustable chest buckle for travel and hiking outdoor activity Adhere to Amazon's return policy