The Illusionist Glass

250ml Erlenmeyer-Flask Looking for an appropriate vessel to harbour the perfect Gin & Tonic serve? Say no more… Our flasks were made for exactly that purpose. These lab-grade Borosilicate glass flasks come with measure lines based on our recommendation of the perfect ratio of gin, ice, and tonic. Certainly a nice addition to your glassware collection. Our flasks have a diameter of 50mm, fits standard ice cubes.