Borosilicate Erlenmeyer Flask Mug, 400ml
Perfect as the office coffee mug!
This Erlenmeyer flask mug is made of heat-resistant borosilicate glass, which makes it super durable. The mug holds 500 milliliters (16 ounces) and has traditional Erlenmeyer graduations on one side up to 400 milliliters. Borosilicate glassware is microwave and dishwasher safe, which makes it super handy for use in the lab or at home.