corrugated box corrugated carton box free design carton box weekly output 100000 pcs carton box ISO2000 certified corrugated box Features : 1). Size: 23 x 12 x 24", or customized corrugated box2). Material: single wall, double wall, 3-layers, 5-layers,or more 3). Printing: regular black test printing, or any color if you want.4). Surface finish: natural 5). Gluing: Eco-friendly Outer packing: ...