backpack Material: 600Dolyester 1)professional canvas bag design 2)high quality and the competitive price 3)samples is backpackbackpackMaterial: 600Dolyester 1)professional canvas bag designAdvantages of our factoryWe are premium manufactory, specializing in all kinds of PVC bag,cosmetic bag,organza bag,non woven shopping bag tool bag ,packback and so no !1 More than 6 years production experience ...