Dihydrogen Monoxide Warning Label, Funny Stickers, Water Bottle Stickers, Laptop Decals, Science Stickers, Nerdy Gifts, Chemistry Stickers 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 sticker is perfect for your reusable water bottle, laptop, notebook, phone case, or lab station. It's a fun nerdy gift for yourself, your favorite science teacher, chemist, or any chemistry geek you know. About the Sticker; These stickers are great for notebooks, laptops, phone cases, water bottles, and more, but I do not recommend that you use them on your car. Made of high gloss vinyl, these stickers are thick, durable, and water resistant. Hand wash only. Approximately 2.5" x 3.4" Water-resistant Hand wash only High gloss vinyl.