- Safety First: Our dog backpack carrier is crafted from high-quality Oxford cloth that is scratch-resistant, environmentally friendly, non-toxic, and non-irritating. The self-locking zipper design on the extension prevents pets from accidentally opening it, while a built-in safety rope keeps your pet secure. - Optimal Dimensions: The carrier measures 13"L x 10.5"W x 17.5"H and expands to 13"L x 27.5"W x 13.5"H. The patented expandable back design (Patent Number: US10743515B2) enhances air circulation and provides additional space for your pet to move and rest, reducing anxiety. Suitable for cats, small dogs, and other small animals weighing up to 22 pounds. Please measure your pet to ensure a proper fit. - Superior Breathability & Easy Access: Featuring four mesh windows, this carrier promotes excellent air circulation while allowing you to monitor and interact with your pet easily. Zipper openings on the top and side of the expansion facilitate effortless entry and exit. - Comfort & Load Reduction: The honeycomb mesh elastic sponge cushion offers breathability and shock absorption, ensuring a comfortable travel experience. The adjustable, widened mesh shoulder strap is designed for comfort, while the ergonomic waist and chest straps distribute weight evenly, reducing shoulder strain and maintaining stability. - Practical Use Scenarios: - Perfect for trips to the vet, ensuring your pet is secure and comfortable during transport. - Ideal for hiking or outdoor adventures, allowing your pet to enjoy the scenery while being safely carried. - Great for travel, providing a cozy and secure space for your pet in the car or on public transport. This dog backpack carrier combines safety, comfort, and convenience, making it an essential accessory for pet owners on the go.