Corkcicle Canteen Cap With Lid Hydration Belts & Water Bottles : Go ahead and customize your favorite Corkcicle Canteen with the Corkcicle Canteen Straw Lid. This alternative lid, with sizeable drinking straw setup can be cut to length in order to fit 9 oz, 16 oz, or 25 oz Corkcicle Canteens. You can feel confident that these elements, like the canteens themselves, are BPA-free. Features 18/8 stainless steel. Made with BPA-free silicone. Dishwasher Safe. Includes two straws. Straws can be cut to size.