Plastic Net bag for loading oyster Material:HDPE With UV Mesh Size:0.3-10cm Color:white,green,blue... ... is a UV stabilised black heavy duty meshOpening Size:1.6 mm x 1.6 mm,3 mm ... : 30 mThickness: 2.5 mm -- 3 mmOther specifications for reference:Uses: Oyster industry, filtration, cheese manufacture (food grade ... District, Wire Mesh World,Anping,Hebei,China plastic net bag for loading oyster ( WITH UV)