Southern Homewares Unbreakable Silicone Party Cup Wine Glasses (Set of 4), White Each Silicone Cup Weighs 0.18 LBS. Dimensions of Single Cup: 4" H x 3" W x 3" D Made From Food Grade Non-Stick Silicone. Reusable Wine Glasses That Won't Crack, Break, or Shatter Crush'em, Bend'em, or Squeeze'em, they are just that amazing