PLEASE NOTE THAT PERMITS ARE REQUIRED TO PURCHASE ANY OF OUR NETS. Upload here or email a copy to [email protected]. 36mm mesh is a general purpose size for a wide range of passerines. Ideal for sparrow to jay-sized birds but will still catch small warblers. Comparable to 38mm. Specifications: Denier/ply 75/2, 4 shelves, 2.6m height. Polyester material. Select length from dropdown menu.