Detachable Backpack Trolley Bag for Primary School StudentsProduct Description: Elevate your school days with our Primary School Student Trolley Bag. Designed in a European and American retro style, it offers a range of color options and wheel configurations, catering to individual preferences. Crafted from durable nylon, this bag reduces the burden on students with its air pillow belt system. With a versatile 20 35L capacity, it ensures organized and comfortable commuting for a stylish and efficient school