Our polypropylene (pp#5) accessory caps fit all sizes of our adult beverage bottles (12, 16 and 22 oz). Go ahead and mix colors for a fresh look. Our Classic Caps and glass bottles are made in Europe. Our Straw and Flip Caps are made in the U.S. All Lifefactory accessories are BPA/BPS-free, phthalate-free and dishwasher safe.