Double Wall Cardboard Boxes & Carton Storage Box Parcel Mailing Boxes Double Wall – Double Wall consists of three liners with two corrugated mediums adhered between them. As in single wall, the outside liner is smoother than the inside liner. Also, the outside corrugated medium is more compact than the inside corrugated medium. Double Wall is used for packaging heavy items that may require increased protection and box rigidity. Size of Double Wall Boxes 24″ x 18″ x 18″ 610mm x 450mm x 450mm 61cm x 45cm x 45cm Medium Parcel 18″ x 18″ x 18″ 460mm x 460mm x 460mm 46cm x 46cm x 46cm Medium Parcel 18″ x 12″ x 12″ 450mm x 310mm x 310mm 45cm x 31cm x 31cm Medium Parcel 24″ x 12″ x 12″ 600mm x 300mm x 300mm 60cm x 30cm x 30cm Medium Parcel Note: Size may be vary 5 or – 5mm.
