304 stainless steel is a high-quality, corrosion-resistant alloy that is commonly used in a variety of applications, including mesh. In general, 304 stainless steel mesh is resistant to rust and corrosion in most environments. However, like any metal, it can corrode or rust under certain conditions.

The resistance of 304 stainless steel to rust and corrosion depends on a number of factors, including the specific environment, exposure to moisture and other corrosive agents, and the quality of the stainless steel itself. In general, 304 stainless steel mesh is highly resistant to rust in most environments, including outdoors, marine environments, and in contact with many chemicals.

That being said, if the 304 stainless steel mesh is exposed to harsh or corrosive environments, such as highly acidic or alkaline conditions, it may corrode or rust. Additionally, if the mesh is scratched or damaged, it can become more susceptible to rust and corrosion.

Overall, 304 stainless steel mesh is a highly durable and corrosion-resistant material that is often used in applications where rust and corrosion are a concern. However, it's important to take proper care and maintenance of the material to ensure its longevity and durability in your specific application.