Hand Blown Cased Glass Colorful Tumblers order 18 Oz.

Product Name: Hand Blown Cased Glass Colorful Tumblers order 18 Oz.
Vintage, hand blown cased color glassware. Clear bottom in three beautiful bright colors. Two bright yellow, two bright green, and one blue. Capacity 18 ounces each and measure 6 3/4" tall x 3 3/4" in diameter at top of each. Excellent condition, no chips or cracks. There is a very small black spot at the bottom of the blue one (shown in photos of inside) which might have happened order during the process of making them. Very bright and cheerful and large. Unknown maker.