Pack of 10 Cardboard Packing Boxes 61x45.7x45.7cm — 5mm Corrugated Double Wall Flute. Built for larger and heavier items, this 61 x 45.7 x 45.7 cm corrugated cardboard box features a thicker 5mm flute construction for enhanced durability and load support. Ideal for bulk storage, moving, warehouse packing, and heavy-duty shipping, it provides strong protection for oversized or high-volume contents. Supplied flat-packed for convenient storage and requiring simple assembly before use.