This 2-pack of replacement straws for Foogo 10-ounce vacuum insulated stainless steel straw bottles offers a great way to replace current straws or to swap out a 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 BS535 model only. Product not for use with hot liquids. Package contains 2 complete replacement straws for Thermos Foogo 10-ounce stainless steel straw bottles (model BS535); Includes 2 soft silicone straws and 2 hard straw stems; Not for hot liquids; Not intended for carbonated beverages; Not compatible with any other Thermos straw bottles besides Thermos Foogo 10-ounce stainless steel straw bottles (model BS535);.