Science Flask Water Bottle | Stainless Steel Drink Tumbler | Customizable STEM Gift

A New Innovation in Science Gifts is Coming Soon.. 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. Key Dates:Deliveries will be starting 10/1/25! * Whether you back our campaign, share it with fellow science enthusiasts, or simply spread the word, you’re helping a small business turn a bold idea into reality. Your support means the world to us, and we can’t wait to take you along on this exciting journey! Product Features: 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