GROSCHE OSLO DuoTherm Double Walled Espresso or Liquor cups - 4.25 or 125 ml oz glasses - Set of 4 Set of 4 Double Wall cups, 125 ml capacity each, 4.25 oz GROSCHE DUO THERM Double Wall design means your drink stays hot or cold much longer A perfect cup to enjoy your favorite drinks, from gourmet teas, to espresso, to Ice Wines that shoudl stay cooler longer Lightweight yet strong, this thermal glassware has a lifetime warranty against clouding and is dishwasher safe (top rack) The Purchase of this product will create 5 days of safe drinking water for someone in need through the GROSCHE SAFE WATER PROJECT - For more information, please visit the manufacturer's website at www.grosche.ca/safewater