Our chunky Bundu-bar needed a travel partner, and the only soap holder we could find that was big enough to take our 200 gram beast was this sturdy blue box. It will also hold most other soaps available on from store. It's a box, it travels, it's blue and it prevents your soap and other stuff you travel with from getting into a war, not much more to say apart from the fact that the box will outlive most other boxes, including very expensive ones like the DSTV decoder box...
Dimensions 110x47x84 emem's (During my construction days we had some Indian guys working for us in Uganda and this is the way they would express millimeters when we discussed work)