Milwaukee Leather SH1956 Women's 'Winged' Black and Purple Textile Chaps

My second pair. That's

I got the first pair at Americade 2022 and were happy with them until the snaps on the legs got wet, then dried, then rusted. That was after the snaps had begun to come apart and then fall off. Besides the rusted and missing broken snaps, the rest of the product was fine. I bought another pair but I need to know how to prevent the snaps from rusting and falling apart.