Material: PolyesterFunction: Bicycle bagWith or without liner: yesIt can really "fit"Bicycle large capacity pannierProduct name : Bicycle PackProduct material: 840D nylon cloth.Product size: about 37* 19CMFixing method: Velcro fixedPro-husband fabric Anti-rain splashMade of light and soft fabric, the surface coating surface has a special water-repellent treatmentEffective protection against light rain and short-term barrier effectDouble zipper closure for easier accessDouble zipper design, easy to open and closeSafer and brighter reflective stripsNight riding safety warning, adding a guarantee for safe travelKeel support firm and stylishPP board support on both sides to protect the contents fromIt can be strong and not deformed even if it is squeezed and not loaded with itemsLarge capacity and expandable.Open the expansion zipper to expand the hidden capacityLarger storage space