Stainless steel, Galvanized, PVC or Color coated, Fiberglass, Aluminum and Copper are rust or corrosion resistant.

Expanded Metal sheets or perforated sheets can be used as railing. These are strong and durable.

Raised Expanded metal sheets are great for cleaning dirt, snow, and mud from shoes. Galvanized and aluminum sheets will work…

Gauge is a unit to measure the thickness of the wire or sheet. Here is the link to the gauge…

Welded Mesh with opening of 1/4″ and wire thickness between 21GA and 25GA will work for mice.