<b>Main Features: </b><br><br> 360° Airflow<br> The 3 sides of the backpack come with 7 mesh windows and 2 mesh pockets, to keep the air circulating and fresh. Your pet can breathe freely and stay comfortable. <br><br> Dual cabin<br> With the unique dual cabin structure, it can hold 2 pets at the same time, or hold 1 pet in the lower cabin and put essentials in the upper cabin. <br><br> Adjustable cabin<br> You can remove the divider to open a larger space, which is larger than most competitors in the market, to hold one small to medium sized pet. <br><br> Ergonomic design<br> It provides adjustable padded shoulder straps, sternum buckle and waist buckle, to reduce the burden on shoulders and maintain the stability during travel. <br><br> Improved Mat<br> The hard wooden board inside the cozy fleece mat can enhance the stability of the base while the safety rope can prevent your dog from accidentally escape and fall. <br><br> Ventilated pockets<br> The two mesh pockets on both sides of the backpack are not only ventilated, but also can hold bowls, water bottles and other essentials. <br><br> <b>Attention:</b> <br> 1. Measure your pet before purchasing. Do not select the backpack size based on weight only, please reference your pet's length and height in selecting a backpack size. <br><br> 2. Different pet owners have different requirements for size. If you want more room for your pet to move around, please reserve enough space for your pet when comparing the size of the pet and the backpack. <br><br> 3. Due to the large size of the backpack, it may not meet the requirements of most airlines. It is recommended to check with your airline of choice.