SIZE: Recommended for pets up to 16 lbs. Easily fits cats, small dogs and most other small animals. ADJUSTABLEThe ergonomic design can reduce the load and increase comfort, so that the shoulders are evenly stressed and the back pressure can be reduced. The thick handle allows you to carry it effortlessly. Chest loop to better secure this carry backpack during travel, hiking and camping. Can be used as a backpack, rucksack or one-handed carry bag. VENTILATION AND VISIBILITYThis pet backpack includes both transparent bubble dome and honeycomb covers, for easy breathing and good ventilation, both covers are Made from eco-friendly and non-toxic PC. Your cute friends don't need to stay home alone, enjoy more fun of traveling. DURABLE & PET-FRIENDLY MATERIAL: Made from strong ABS material and oxford fabric, the cat backpack is waterproof, scratch-proof and pet-friendly. With holes and air mesh, let your pet breathe freely and relax. SAFER AND BETTER ACCESSORIESUpgraded version with added front pockets for storing bottles, fans, treats and bowls. Equipped with a removable comfort mat for easier cleaning and letting your pet enjoy it inside.