Equations that Changed the World Stainless Steel Bottle

This high quality stainless steel flask is the perfect companion for study sessions - keeping coffee hot or water cold. The flask is stylishly embossed with noteworthy equations, making it both pleasingly tactile and a useful aide-mémoire. Wide mouth for easy cleaning. 

Stainless steel drinks flask, 350 ml capacity
Suitable for hot and cold drinks
Textured design
Bottle measures 7 x 7 x 16.5cm