Jenaer Glas Wagenfeld Collection Tea Cup with Matching Saucer, Set of 2 Set of 2 borosilicate glass tea cups with matching saucers; 5 ounce capacity Durable, heat resistant tea cups and saucers Mouth blown glass Part of the Wagenfeld collection: a paradigm of design in the Bauhaus tradition; featured in many international design museums Dishwasher and microwave safe; non porous surface for easy cleaning