PREMIUM CRYSTAL GLASS: Made from highly durable lead-free, shatter-resistant, premium crystal glass making it chip-resistant with normal use. Not too thick to help preserve the quality and flavor of your wine yet strong enough to stand daily use STEMLESS DESIGN: Features a signature flat foot for increased stability and seamless bowl with stemless design for an upscale look and feels natural and comfortable in the hand while also allowing the wine to breathe enhancing its flavors and aromas 100% HAND BLOWN: These 15oz wine glasses are hand-blown by experienced craft masters with years of experience in the field which makes glasses elegant, modern, and unique. Lighter and elegant with excellent flow linearity