This unique biophotonic glassware is unparalleled in preservation of natural items. Made in Switzerland. This storage technology was rediscovered after wheat seeds found in the pyramids were dated at 3000 years old but retained their vitality. Scientists determined the vitality of any natural substance could be preserved and enhanced by storage in violet glassware. Only available to the public since 2007, VioLiv vitality glassware is revolutionizing food storage in all parts of the world. Available in a wide range of sizes.