Premium Hand Crafted Beaker Mug, Thick Borosilicate Glass, 8.4oz (250mL) Capacity - Small Size - Tea or Espresso Sized Description This is the perfect mug for a scientist, nerd, geek, teacher, parent, or gifted student... Actually... Pretty much everyone. When coffee or any other dark colored drink is added, the graduations become even more visible. Whether you are enjoying a cup of espresso in the am or some liquor on the rocks in the pm, you're going to be satisfied. 250ml capacity. There are other beaker mugs. We tried them all. Some of them may even be. Gasp, less expensive. But this is the one you want. It is lab quality (seriously) and will last. Note: Wash thoroughly before use. Features: Thick, lab quality glassware Graduations measure up to 200mL, total volume of mug is 250mL (graduations and capacity are both approximate) Great gift for scientists and geeks Best version on the market Product Details: Brand: EISCO Special Feature: Hand Crafted,Premium Style: Modern Theme: Graduations Included Components: Handle Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 5 x 5 x 3.25 inches; 0.35 Ounces Item model number ‏ : ‎ PHBKM250 Date First Available ‏ : ‎ January 25, 2013 Manufacturer ‏ : ‎ EISCO Best Sellers Rank: #249,590 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #358 in Lab Beakers #358 in Lab Beakers Customer Reviews: 4.5 4.5 out of 5 stars 73 ratings