The Latest Innovation in Science Gifts has Arrived!

Introducing The Calculated Chemist's Flask Tumbler, a premium 500 mL stainless steel drink bottle engineered with precision and inspired by the iconic Erlenmeyer flask. Crafted from durable 304 stainless steel inside and out, it features double-wall vacuum insulation to keep drinks hot or cold for everyday carry.
- Double-wall vacuum insulation to keep your drink hot or cold for longer.
- Durable 304 stainless steel for long-lasting use.
- Spill-proof twist-on lid for worry-free portability.
- 500 mL volume capacity.
- Eco-friendly: Reusable, BPA-free, and VOC-free powder-coated.