• 500mL (16 oz) • glass bottle + silicone sleeve • polypropylene cap + silicone gasket • FDA approved, BPA-free, BPA replacement free, phthalate free • small one-inch opening so you can drink from it in almost any position • fits most cup holders - 3.18 inches wide, 7.88 inches tall • doesn't leak, lightweight • 100% reusable + recyclable