I mostly use Leather in the following
1 Galco double mag 45 single stack belt
1 Gould single mag 45 single with paddle
1 Gould single mag for Glock mag with paddle
1 El Paso Saddlery double mag 45 single stack belt
1 Don Hume double mag for Glock mags belt
I have 1 uncle Mikes double single stack 45 mag in Kydex that I have used 1 time and dont really like