18″ x 18″ x 24 Double Wall Cardboard Boxes. Manufactured from a strong BC flute approx. 6.5mm double wall board, these brand new plain standard style 0201 corrugated boxes are ideal for packaging and protecting those fragile items while in storage or transit. Supplied flat packed for easy storage with flaps for taping. All of our cardboard products are manufactured using a high percentage of recycled materials and are fully recyclable. Please note imperial measurements have been rounded to the nearest inch, the exact internal size of these boxes is: 457mm (length) x 457mm (width) x 610mm (height). WER Online remains an essential part of W E Roberts (Packing Supplies), giving our customers online access to our wide range of corrugated cases and associated packaging materials. With our Corrugated division manufacturing all forms of bespoke corrugated cardboard products at our 100,000 sq. Should you require further details about our products or have an issue at any stage of the order process, we will always be happy to help.