The NiSi 100mm System All In One Case is a high quality case made from PU leather that can carry & store the 100mm V5/V5 Pro Holder, CPL, 3 adaptor rings and 8 filters (100x100mm or 100x150mm). It’s the perfect, practical & portable solution for having all your filters, adaptor rings and holder at your finger tips. It can attach to a belt or can be worn around your waist or over your shoulder using the included adjustable shoulder strap.