Designed by Montblanc, this new black stackable module has been crafted out of the finest Italian calfskin leather with a smooth textured finish and features a grey suede lining to ensure that your writing instruments are kept safe. This black stackable module can hold up to eight writing instruments and can be used as a presentation box or can be attached to the Collector's Box to increase capacity. On the day of purchase, this black stackable module will be presented inside a Montblanc presentation box that can be plaque engraved and will also be issued with a two-year international warranty booklet.