New cartoon lightweight schoolbag, large capacity, dual-use trolley bag for grades 1-6, greatly reducing the burden on middle school students and protecting their spine.
Backpack trolley rack for elementary school students, detachable aluminum alloy trolley handle, hand-operated trolley cart with separate six-wheel trolley handle.
Selling pull rods separately; trolley rods for elementary school students' backpacks; backpack accessories; detachable pull rods for elementary school students.
Detachable aluminum alloy pull rod backpack for elementary school students, pull rod accessory for elementary school students, single wheel and large wheel pull rod.