- Ideal for Small to Medium Pets: This cat carrier bag is perfect for small to medium-sized dogs and cats, available in two sizes. Recommended for pets weighing up to 7.7 lbs (Size S) or 16.5 lbs (Size L). Be sure to measure your pet and choose based on dimensions rather than weight alone. - Comfortable Design: Made with upgraded breathable mesh and soft polyester fiber, this dog carrier backpack keeps your pet comfortable and reduces anxiety. It features thick shoulder pad sponges for ergonomic support, making extended carrying effortless. - Excellent Ventilation: Designed with ventilation nets on three sides and sunshade curtains, this backpack ensures optimal airflow while shielding your pet from unfamiliar environments and direct sunlight, promoting a calm experience. - Airline Approved: This carrier meets the design standards of most major airlines. Always confirm approval with your specific airline. It is foldable for easy transport and storage, allowing you to take your pets anywhere. - Versatile for Outdoor Use: Perfect for hiking, traveling, vet visits, or leisurely walks in the park. Available in two sizes: Small (11.8" x 9.4" x 13.0") and Large (14.2" x 12.2" x 17.7"), making it easy to accommodate cats, small dogs, and other small to medium pets. - Practical Applications: Use it for outdoor adventures, trips to the vet, or simply for walks in the park. Its thoughtful design prioritizes both your comfort and your pet's well-being.