The Original Soft Travel Bottle - humangear's patented GoToob+ is a classic for traveling, whether it's a day trip to the beach, overnight camping, or a flight cross country, it's also TSA-approved as a carry-on. Large stores 3.4 fl. oz. Secure Lid - LoopLock makes it the only travel bottle with a locking cap - simply twist to turn the discrete collar into a secure lock Smart Design - Contoured tube can stand on its own for easy filling and cleaning, and textured area on the collar allows you to write content descriptions. Plus it's carabiner compatible Responsibly Made - Drink to your health! We use FDA food-safe material that is BPA-free, Phthalate-free, and FDA food-safe Design Made to Last - Since 2007, humangear believes design comes from empathizing with users. We're passionate about creating evolved products to help people and the planet, too.