Size: 30*12*45CMCapacity: 20-35LThe internal structure of the bag: mobile phone bagBag internal structure: ID bagThe internal structure of the bag: computer pocketOpening method: zipperApplicable gender: unisex / both men and womenMaterial: NylonWith lock or not: noWith or without rain cover: noAnti-seismicFunction: reduce burdenProcessing methods: soft surfaceHardness: SoftPattern: PlaidApplicable gift-giving occasions: festivalsStyle: literary and national styleLining texture: polyesterTypes of accessories: BuckleStrap root number: double rootPopular elements: PlaidCarrying parts: soft handleOuter bag type: three-dimensional bagBag shapes: square vertical sectionWith or without tie rod: NoCarrying system: air cushion strapcolor: blueColour: BlackColor: pink