This metal mesh is made of 304 stainless steel, with a thickness of about 0.8 mm and a mesh diamond shape of 4X8 mm. The opening is about 75%. Because this stainless steel mesh is formed by stamping, not welding and weaving, so the mesh screen does not fall off. case, it is very strong and durable. 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