BLT is a specialized manufacturer of flexitanks in China. We are the member of international COA(CONTAINER OWNER ASSOCIATION) Our Flexitanks: Approved by the EC, the FDA, and the KOSHER. For the transport of any non-hazardous bulk liquid commodities. Available in a single skin or multilayer Polyethylene with Polypropylene outer layer. Available with either 2" or 3" valve configuration. Environmentally friendly. Contamination free and sterilized upon request.