JanSport Unisex Big Student Backpack - Walmart.com。The JanSport Big Student Backpack in Fluttering Fields is a large-capacity school backpack with a whimsical floral print, designed to organize books, tech, and daily essentials in one durable pack. It offers two roomy main compartments, multiple front pockets, and a dedicated padded laptop sleeve, all made from sturdy 100% recycled 600D polyester for long-lasting use. Key features 34L capacity with two large main compartments for textbooks, binders, clothes, and gear. Dedicated 15\" padded laptop compartment with zip closure to protect devices. Front utility pocket with organizer and key clip plus two zippered stash pockets for quick‑access items. Side mesh water bottle pocket that stretches to fit larger bottles. Ergonomic S‑curve shoulder straps, fully padded back panel, and top haul handle for comfortable carrying.