The brown 64 oz Datatainer from Delta 1 allows you to store your chemicals in a leak-proof and airtight container. The strong polyethylene construction is opaque and will guard your liquids against the ill-effects of sunlight. A large data area is available on the bottle that can be used with permanent inks to record contents, dilution, time, temperatures and other relevant data. The strong lid is air and leak-proof and will help keep your chemicals preserved for longer life.