Dingda Brand, Main Material: 600D print, size 19.5" in height:Trolley Backpack:
one main compartment, one or two front zipper pocket, two mesh side pockets for bottle or umbrella. Double padded soft straps.Soft backpanel . High quality trolley and wheel, with PE board to keep the bottome and side .
can use as a normal backpack or a trolley bag when needed .
Many colors and several deisng can optional. Also can use solid colors and change the size to bigger or smaller, we can design depends on your requirement.