The Hydro Flask® Standard Mouth Straw Lid features a durable rubber straw that delivers a high flow rate so you can knock out thirst in a hurry. Compatible with all Hydro Flask Standard Mouth bottles, this Hydro Flask lid is dishwasher safe for hassle-free cleaning. BPA-free design. Mfrs. lifetime warranty. Manufacturer model #: SFS001. Works with all Hydro Flask Standard Mouth bottles. Durable rubber straw. High flow rate. Dishwasher safe. BPA-free