Okay, who knew rubber bands could be this exciting? But seriously, these Doryum large rubber bands are one of those simple products that you never knew you needed so many uses for until you have them. Made from natural rubber that's non-toxic and completely harmless, so you can use them for pretty much anything without worrying about chemicals or weird smells. Each band measures about 25 cm in circumference (that's roughly 9.8 inches) when flat, with a width of 0.5 cm and thickness of 0.15 cm - so they're substantial enough for heavy-duty tasks but still flexible. The elasticity is impressive - they stretch really well without snapping, and they maintain their shape after multiple uses. What can you use them for? Well, pretty much everything! They're perfect for securing trash bags to cans (no more bags slipping down), bundling files and folders, organizing cables, sealing bags of chips or frozen goods, even for DIY projects like making slingshots or craft projects. The black color gives them a more professional look than those tan office bands, and they don't leave marks or residue on your items. With 50 pieces in the pack, you'll have plenty to spread around the house, office, workshop, wherever. They're resistant to low temperatures too, so they won't become brittle in cold environments. Whether you're a teacher needing classroom supplies, an office manager stocking up, a homeowner looking for practical solutions, or a crafter wanting versatile materials, these rubber bands deliver. It's one of those purchases where you'll constantly find new uses for them once they're on hand.