These glasses are New old stock, produced by Luminarc/Mikasa. They are 15 oz. and there are 4 in the set.

The designs are:
Spare Maidens (salmon color)
Fire Balls (yellow)
Lucky Strikes (turquoise)
King Pins (orange) The opposite side of the glass is a pic of a color coordinated shirt!

These make a great gift - be sure to order more than one set so you have enough to go around!
Check out the coordinating snack plates, too!