Unknown Glass Syndrome, U.G.S., is a mild annoyance affecting millions at lively gatherings around the world every year. But now there’s help. Graf Lantz Wine-O’s provide instant relief by turning doubt into confidence, giving you the knowledge you need to party in peace. An innovative color code system provides the instant evidence of which glass is yours, alleviating embarrassing staredowns before they start. Available now without prescription in packs of 12 and 7. Pairs well with foresight. Stock up on these. 1” W x ¼ ”D 5mm merino wool felt 12 pcs/ set Made in USA