I have used this shotgun shell bag for 5 stand. It holds 2 boxes of 12G. 1 box in each compartment.
If using 2 different grades of ammo, eg heavier loads for the longer shots, the 2 compartments keep the different loads separate.
I purchased this ammo bag for extra ,303 british ammo. It is well made out of material that was as good as I hoped for. The ammo is held nicely in the loops inside. It is then secured by the strap that fastens with the clip. Easy to open and close. It easily fastens to any belt with straps that simply snap onto the back of the pouch.