This wire mesh is welded from 304 stainless steel wire.The holes diameter of metal mesh is 1", the wire diameter is 11 gauge (about 3mm). It's very strong! Suitable for all kinds of heavy-duty projects.The metal screen is a flat metal mesh, you receive it is unfolded, Suitable for many DIY projects, such as vent ,chicken wire mesh,fire pit screen ,pet screen roll ,rodent mesh , pet proof screen ,mouse proof dryer vent ,dryer vent screen BBQ grill,car grill,Cabinet net,Fireplace net,Drainage net,garden net