Expandable Design Backpack The cat backpack carrier features an expandable back panel that can be opened into a large bubble tent bed, providing extra space for your pet to stretch, play, and rest during travel. Unique Capsule Design A rugged transparent shell pairs with exquisite stitching and breathable material to keep the backpack lightweight and comfortable to carry. The adjustable, sturdy straps ensure a secure fit so your pet can look around from the clear full window. Breathable and Ventilated Mesh areas and nine air holes around the carrier ensure proper ventilation for both you and your pet. The breathable mesh maintains airflow, helping your cat stay cool. A side pocket accommodates a cat water cup for convenient hydration on the go. Easy Care and Comfort If your cat is uneasy in a new environment, the side small mesh door can help soothe it and reduce anxiety and restlessness. This bubble backpack is airline approved and suitable for hiking and outdoor use. Use scenarios - Air travel and city trips: keep your cat comfortable with the expandable space, clear visibility, and secure fit while moving through terminals and on transport. - Outdoor adventures: ideal for hiking, camping, or nature walks where your pet can observe surroundings from the bubble window while staying ventilated and secure. - Vet visits or short drives: easy to carry and reassuring for cats that need a calm, contained space during transport.