Clear Glass Shot Glasses. A Set of Six. Square Style, Double Size with Heavy Base. Each Glass is about 2 1/2 inches tall and about 1 3/4 inches Square at Softly Curved Corners Rim. I find no markings on the bottom of the shot glasses. Comes in Original Butterfly Open Cardboard Box. No Chips or Cracks. Glasses are a little dusty but in very nice condition.