solid glass tumblers designed by Scott Norwood Fitzel of Xen Design. Fitzel has studied under the tutelage of world-famous glass sculptor Dale Chihuly. he is also a visual artist experienced in a variety of media, from glass and steel molding, lighting, and furniture. he and his partner, KC Grennan's work can be found in numerous galleries, public facilities, and hotels throughout Hawaii. these tumblers make great stemless wine glasses!