Wire mesh with a rectangular-shaped 25mm X 12.5mm mesh for use against any bird species at any pressure level, particularly sparrows.Use to proof awkward entrances to voids where birds are perching, roosting or nesting.Use Weldmesh clips to secure the mesh to the structure being proofed. Can be cut with heavy gauge wire cutters or pliers.Specification25m x 0.9m rollHeavy duty 16 gauge wire mesh with a rectangular 25mm X 12.5mm meshGalvanised for long lasting protectionSimply cut to size and bend it into shape