The Vacuum Compression Backpack by KIMLUD is a sleek, all-black pack designed to cradle a 17-inch laptop while adapting from daily city carry to travel-ready load. Made in premium black nylon with a waterproof coating, it stays poised from morning commutes to midnight getaways. Primary color: Black Material: 200D×700D nylon with waterproof coating; lining polyester Capacity & expansion: Expandable from 2737 L to 3655 L; foldable and expands from 31×18×50 cm to 31×24×50 cm Laptop protection: Interior interlayer designed to fit a 17-inch laptop Organization & pockets: Interior slot, cell phone pocket, zipper pockets, and compartment; exterior silt pocket Carrying system: Arcuate shoulder straps for balanced, comfortable carry Closure: Zipper Weather protection: Waterproof coating helps guard contents in light rain Designed to keep you organized on the move, this backpack combines dedicated laptop storage with flexible expansion for extra gear when needed. The interior setup safeguards daily essentials, while the exterior pocketing and silt pocket offer quick access to small items. When travel calls, simply extend the pack to 55 L without compromising its clean silhouette, and rely on durable nylon construction to withstand urban hustle and weekend trips.