【Dual Compartment Design — Perfect for Multi-Pet Families】: This dual pet carrier backpack features 2 separate zipper-attached compartments to comfortably shelter 2 small pets at the same time. The inner divider can also be removed to create one full-space compartment for 1 small to medium-sized pet. Ideal for families with multiple cats or small dogs. 【Excellent Ventilation & Visibility — Reduce Stress and Anxiety】: Designed with 5 breathable mesh windows + 6 airflow vents on all sides, this 2-tier dog backpack carrier provides maximum ventilation and panoramic visibility, helping pets stay relaxed and comfortable on the go. Top and front entry zippers allow pets to get in and out easily. 【Travel in Comfort — Extra Padding & Secure Support】: The cat backpack carrier cushion and thick-padded shoulder straps deliver all-day carrying comfort, while waist and chest buckles provide extra stability during long walks. Perfect for hiking, biking, walking, traveling, camping, sightseeing, vet visits and outdoor adventures. 【Practical Storage — Carry Everything You Need】: Both sides include large storage pockets for bowls, water bottles, leashes, snacks or toys, ensuring your pets are cared for even on long trips. Comes with a dedicated poop-bag/trash-bag dispenser, a convenient detail that most pet backpacks do not include. 【Measure Before Purchase — Fit Matters More Than Weight】:This 2-layer cat carrier backpack is suitable for 2 small pets (up to 10 lbs each compartment) or 1 small-to-medium pet (up to 20 lbs). Weight alone may be misleading—please check our size chart in the images and description, then measure your pet’s height and body length to confirm fit before ordering. At HOVONO, we focus on the differentiated needs of you and your pets, and are committed to bringing you a high-quality experience and a convenient lifestyle. The HOVONO double-compartment pet carrier backpack features 2 sturdy cabins, 5 ventilated mesh windows and adjustable structure design, is born for pet owners with multiple small pets.