The Calculated Chemist
A bold twist on a science classic.
Bring a pop of pink and a dash of chemistry to your daily routine. Inspired by the iconic Erlenmeyer flask, this 500 mL glass tumbler blends scientific flair with everyday function — perfect for coffee, tea, water, or your own experimental concoction.
Built for function, designed to stand out
Made from durable, lab-grade borosilicate glass, it's ready for hot or cold drinks. A non-slip silicone boot adds stability and protection, while the food-grade silicone stopper keeps your drink sealed and spill-free on the go.
Product highlights
- 500 mL capacity — ideal for daily beverages
- Borosilicate glass — lab-grade, lead-free, temperature-resistant
- Silicone boot — non-slip base for extra protection
- Silicone stopper — keeps drinks fresh and secure
- Dishwasher safe — easy to clean, built for everyday use
What's in the set
- 500 mL pink glass flask tumbler
- 2 stainless steel (304) straws + cleaning brush
Frequently asked questions
Is the glass safe for hot drinks?
Yes — borosilicate glass is heat-resistant and lab-grade, the same material used in real laboratory flasks.
Will it leak in my bag?
The food-grade silicone stopper seals it for transport, and the silicone boot keeps it steady on desks and counters.
The perfect gift for students, scientists, teachers, and anyone who loves fun, functional drinkware. Explore more science beaker and chemistry flask drinkware, or step up to the insulated stainless steel Flask Vessel.