Multi-functional Large Capacity Backpack – Light Blue

Introducing our Expandable Travel Backpack – a versatile and durable travel companion! This large, durable, and multi-functional backpack is designed for both women and men, featuring an expandable design and flight-approved size. It comes equipped with anti-theft features, including a discreet back zipper pocket for valuables like phones and iPods. The backpack offers various ways to use it, serving as a backpack, duffle bag, or travel bag, adapting to your needs. For comfort and durability, it features two padded shoulder straps that provide lightweight carrying, pressure relief, and heat dissipation during long journeys. With a built-in USB charging port, you can conveniently charge your phone anytime and anywhere. The backpack also boasts a multi-compartment design, with several pockets for different purposes, including dedicated laptop compartments for a 15.6″ tablet and a 17″ laptop. Additionally, the backpack comes with a wet bag made of high-density, water-resistant material, allowing you to separate wet clothes or towels from dry items. Crafted from waterproof and fade-resistant polyester, our Expandable Travel Backpack is your reliable companion for everyday use and exciting weekend getaways.specification：Before extended is 28L, the dimensions are 17.7 x 13 x 4 inch.After extended is 40L, the dimensions are 17.7 x 13 x 8.7 inch.