colorful school travel trolley bag 1) OEM is accepted . 2)Any color and size is available 3) high quality 4)competitive colorful school travel trolley bagFeatures: outer materials: polyester 1680D ,that is the top polyester ,twill materaisl, also have other top multiple printed materials ,with good color fastness and high temperature characteristics, feel suitable. Lining :best polyester 210D , ...