EQUATIONS THAT CHANGED THE WORLD: HYDRATION BOTTLE｜ Kitchen & Dining Supplies

Find the most groundbreaking math equations the world has ever seen, all on your water bottle. A perfect gift for STEM aficionados.  
With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you’re ready to enjoy it. 

Vacuum-insulated drink flask 

18-oz. capacity 

Materials: high-grade stainless steel, silicone seal on cap 

Dimensions: 8.75" x 2.75" 

Hand wash 

BPA free 
Brand:Cognitive SurplusSKU:109886Tags:2025 DIGITAL CATALOG, BOTTLE, BrandName:Cognitive Surplus, Class:TRAVEL ACCESSORIES, EQUATIONS, FLASK, HYDRATION, STEM, TRAVEL CUP, WATER BOTTLESIZE:18 oz