Personalized Dihydrogen Monoxide Warning Stainless Steel Water Bottle, Funny Science Gift for Teachers, Nerds, Lab Techs, Scientists Dihydrogen monoxide sounds scary, until you realize it's just good 'ol H2O (water). It's a fun way to express that just because something sounds scary, doesn't mean it is, AND that everything is made of chemicals. This funny chemistry water bottle is perfect for traveling or just having with you at school or the lab. It's a fun nerdy gift for yourself, your favorite science teacher, chemist or any chemistry geek you know. About The Water Bottles This stainless steel water bottle has a plastic screw top to keep ones bag dry, while amazing quality print makes it as appealing as practical. For travels, dance classes, or on a desk next to ones laptop - an excellent choice for every occasion. Lightweight stainless steel 20 oz (0.41 l) Plastic screw top