- Dimensions & Capacity: This cat backpack carrier measures 332540 cm and is recommended for pets weighing up to 7 kg. Constructed from high-quality Oxford cloth and PVC material, it offers wear resistance, waterproof protection, and tear resistance to safeguard your pet and belongings. It is compatible with most airlines for under-seat travel. - Enhanced Airflow & Visibility: The large double-side mesh windows significantly improve air circulation while allowing your cat to observe the outside world. The design separates visible and hidden areas, enabling you to monitor your pet's comfort and reducing anxiety during travels. - Comfortable Ergonomics: The backpack features extra-thick padded shoulder straps and a breathable mesh back for comfortable wear. Adjustable straps help alleviate pressure on your cervical and lumbar spine. A removable soft fleece pad enhances your pet's comfort and simplifies cleaning. - Practical Features: A spacious front pocket provides convenient storage for cat food, treats, and personal items. The built-in safety belt can be attached to your cat's collar or vest to prevent accidental escapes. Durable double zippers ensure secure closure, keeping your pet safe inside. - Versatile Use: Ideal for traveling with your cat on buses, subways, and city streets. This carrier backpack makes outings with your pet easier, whether you're heading to the vet, exploring new parks, or taking a weekend trip.