The JW Automarine Lay-Flat Flexi-Tainer is approved for short term storage of potable water in extreme environments. Manufactured from a heavy duty PVC coated polyester base cloth, which gives high abrasion and UV resistance, the standard capacity range is from 1,000 to 300,000 Litres. Each tank has various options of inlet and outlet valves. All tanks are fitted with air vents and webbing loop securing straps. All tanks are manufactured and certificated in accordance with the current EN ISO 9001:2000 quality standard.