LifeStraw^®. Designer: Torben Vestergaard Frandsen. Manufacturer: Vestergaard Frandsen, China and Switzerland (current version), 2005. High-impact polystyrene (outer shell), halogen-based resin, anion exchange resin and patented activated carbon (interior). Dimensions: 10 inches x 1 inch. Photo © 2005 Vestergaard Frandsen