Check the listing for details. Blenko Dalle de Verre - 5133 - Aqua Blue. Color: Blue, Condition: Used. Listed at 40.00 USD. This is a aqua / medium blue Dalle. The blue is a very deep blue ocean color. Facet the thick glass and your project will sparkle. You are buying a slab of colored glass that is 12 inches by 8 inches by 1 inch thick, weighing about 8 pounds. These slabs were created by the legendary glass company, Blenko, from Milton WV. Whether you are creating a new stained glass window, sculpture or art object, you will appreciate the color this glass adds to your product. Please check out my other colors, each will add quality to what you are making. There are some inconsistencies in these glass slabs. They are not new and were found in a warehouse having been stored for 25 years. This glass may be scratched, chipped, have bubbles, pour marks, inclusions and cracks. The picture is approximately representative of the product. These were purchased directly from Benko glass company. They are the original real Blenko Dalle de Verre.