This is a universal bag that can be expanded. It is suitable for most people, men, women, old and young, and suitable for most occasions, such as travel, outdoor activities, sports, work and life.Capacity: 65L/100LMaterial: Oxford clothCarrying system: curved shoulder strapApplicable gender: unisexColor classification: patternApplicable scene: general camping / walkingCarrying the system structure: the inner frameSize: 68*30*20cm, 65L85*38*28cm, 100LRemarks: The detailed picture of the backpack, except for the color, the other parts are the same as this one.#Please feel free to leave us a message if you have any questions. We will reply to you within 24 hours and offer you our best services.