This product is very helpful for your field work. It has 3 slots which can carry the filter size from 25mm to 82mm. It is good assistant for you.
Round filter ---- 25mm-82mm (such as UV, CPL, FLD, color filter etc.)
Square filter ---- below 100 x 100mm (such as Cokin A / P/ Z).
Number of pockets: 3 slots
Slot dimensions(L x W): Approx. 4.4 x 4.4 inch (10.5 x 10.5 cm)
Opening Wallet dimensions(L x W): Approx. 16 inch (40cm)
Folded Wallet dimensions(L x W): Approx. 3.4 x 3.15 inch (8 x 9 cm)
1x K&F Concept 3-slots wallet case for filters