The award winning and patented GoToob is made from soft yet rugged silicone, so it's easy to squeeze, and it dispenses the product right away. A special, 'no drip' valve helps the cap stay clean. A large opening means it's easy to fill and clean your GoToob. The medium 2 fl. oz. size features a handy suction cup that can briefly attach to walls for moments when you need your hands free. All GoToobs are approved for airplane carry on, they're food safe FDA, and they're 100% BPA free and PC free. They are also covered by a lifetime warranty. GoToobs are recommended for shampoos, conditioners, lotions, suntan oil, liquid soaps, condiments ketchup, cooking oil, etc., hand sanitizers, body wash, toothpaste, secret sauce, magic potions, and many other low and medium viscosity fluids.