Proper hydration plays a key role in a healthy lifestyle and the GENUINE THERMOS BRAND 12-ounce FUNTAINER bottles are great products to fulfill any on-the-go hydration needs. The 2-pack of clear replacement straws provides a great way to swap out the straw for a clean one between washings. The straws are removable and easy to clean. Each pack includes (2) soft silicone straws and (2) hard straw stems. Compatible with F401 model. Product not for use with hot liquids.