SIOTI Filter Case Square Filter Pouch with 4PCS Square Filter Capacity and 1 Holder for 40.5mm-105mm Round or Square Filters and Filter Holder Designed for square filters,size:100*100mm~100*150mm(3.94*3.94~3.94*5.9in) Fits Round or Square Filters sizes 40.5mm to 105mm. Can hold 4 pcs square filter(tight)+2pcs extra square filter(loose)+1 filter holder + some small tools or parts Soft nylon inside prevent filter from scratching and prevent from falling Can be used with belt for easily carry