500ml, 16 fl. oz capacity.;Unique double-walled design keeps your drink hot (or cold) longer then a regular glass;Your drink will seem to float in midair-turns a simple drink into a conversation piece!;Borosilicate glass is both food and dishwasher safe, Makes an excellent gift for those who enjoy larger beverages;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