Add a dash of intellectual whimsy to your daily carry with this clever canvas tote bag. Featuring the chemical formula FeSO₄ paired with the Chinese phrase 匪夷所思 (which sounds like FeSO₄ and means unimaginable), it’s a perfect blend of science and wordplay. Crafted from durable canvas, this tote offers ample space for books, essentials, or even a trip to the lab or library. Ideal for chemistry lovers, language enthusiasts, or anyone with a taste for clever design, it seamlessly combines style and substance. Whether you’re heading to class, running errands, or just want a unique accessory, this tote brings a touch of nerdy charm to your routine.