Summer party collection trolley bag. Double handle trolley school backpack bag for easy carry, two side pockets, flower PVC embossed puller. Keywords: Student Trolley School Bags, Trolley School Bags. Keywords: Wholesale Student Trolley Bags, 42*30*13 cm, Double Handle Trolley with Smooth Wheels, Flower PVC Embossed Puller. Name: Student Trolley School Bags. Material: Twill. Size: 42*30*13 cm. Age Range: 3 years and up. Market: All over the world. Quality: High quality guarantee. Usage: Great for school, camp, outdoor activities and much more usages.