- Durable & Spacious: Our Cat Carrier Backpack is crafted from high-quality Oxford fabric, polyester, and anti-scratch material, ensuring longevity and comfort. Measuring 12.2'' x 11.4'' x 16.5'' and weighing just 2.66 lbs, it is suitable for pets up to 13 lbs. For more active dogs, we recommend a weight limit of 10 lbs to ensure ample space. - Interactive Design: The unique bubble window allows your pet to see their surroundings while traveling, making each journey more enjoyable and less stressful for them. - Optimal Ventilation: Equipped with 9 large ventilation holes and additional mesh panels, this backpack promotes excellent airflow, keeping your pet comfortable and preventing overheating. Please avoid exposing your pet to extreme heat. - Anxiety Reduction: The side mesh door offers a comforting escape for nervous cats. This feature helps ease anxiety and restlessness during travel, making it easier for them to adjust to unfamiliar environments. - Versatile Use: Ideal for hiking, outdoor adventures, or trips to the vet, this airline-approved pet backpack allows you to take your furry friend anywhere with ease. This Cat Carrier Backpack combines practicality and comfort, ensuring a pleasant experience for both you and your pet.