[UNIQUE DETACHABBLE DESIGN: The carrier backpack features 2 separate zipper-attached compartments to shelter 2 small pets. You can also separate the two compartments of the pet backpack and use them separately as two carriers to meet your diverse travel needs. Suitable for people who have multiple small pets. EXCELLENT VENTILATION&VISIBILITY: Comes with 5 breathable mesh windows and 6 ventilation holes on 4-side of the cat carrier backpack to provide plenty of air and great view for your pets. With zippers on both top and front your lovely pets can be put in and out of the backpack easily TRAVEL IN COMFORT: The back cushion and shoulder straps are equipped with extra thick padding for more comfort while the waist and chest buckles give you extra support when on the go. The additional pad located at the bottom of the pet backpack gives you a more comfortable experience "PRACTICAL SIDE POCKETS: The pockets on both sides of the backpack allow you to store essential pet supplies(such as bowls water bottles and toys) so you can let your pets be well taken care of while out. There is also a holder for trash bag or poop bag on the side which is a great convenience that most other backpacks dont have" "MEASURE YOUR PET BEFORE PURCHASING: Ideal for 2 small pets(up to 16 Lbs for each compartment 32 Lbs in total). Weight may be misleading to determine whether or not a pet would fit. Please also refer to the size chart in the main images or in the descriptions then measure your pets height and length to determine if it is suitable for your pets. PLEASE NOTE that it may not meet the requirements of some airline due to the large size please CHECK WITH YOUR AIRLINE before purchasing and flying"]