Product detailsLuggage Size: MediumCapacity: 20-35LInternal structure of the bag: ID bag, mobile phone bag, interlayer zipper bag, zipper hidden bag, computer pocketOpening method: zipperMaterial: Oxford cloth/canvasWhether with a lock: NoWith or without rain cover: noFunction: breathable, wear-resistant, anti-theft, load-reducing, shock-resistantHardness: medium to softLining texture: polyesterStrap root number: double rootPopular elements: printingLifting parts: soft handleOuter bag type: three-dimensional bagBag shapes: square vertical sectionWhether there is a tie rod: noCarrying system: air cushion strapSuitable for the crowd: neutral / both men and womenScene: school/travel