Hanoipack Low MOQ Eco-friendly Recycled Material Foldable Flexo Printing Business Shopping Supermarket Rectangle Cardboard Boxes Thickness: Single wall: 2mm (E flute), 3mm (B flute); 4mm (C flute) Double wall: 5mm (BE flute), 7mm (BC flute) Application: cardboard box, cardboard box packaging, custom cardboard box, packaging box cardboard, corrugated cardboard box, cardboard boxes for shipping, cardboard boxes for fruit, cardboard gift boxes, cardboard packaging boxes, packaging cardboard boxes, cardboard paper cake box with handle and window, cardboard boxes