Discover unparalleled travel convenience with FR Fashion Co.'s Flight Approved Carry On Backpack. Engineered for the savvy traveler, this backpack transitions seamlessly from a compact 22L capacity to a spacious 35L, catering to your varying travel needs. Its innovative expandable design, coupled with water-resistant and durable construction, ensures your belongings stay secure and dry, regardless of the destination. Key Features: Expandable Design: Effortlessly switch from 22L to 35L for 3-5 da