This design comes in two pieces so you can adjust the length according to your needs. This design also allows for easy cleaning. You can look inside both pieces so no unknown mold build up. No cleaning tools needed! Dishwasher safe
Metal and Plastic FREE! Soft and bitable food grade silicone, with no risk of damaging your teeth while driving or exercising. Will not interact with minerals like metal straws. Bendable to fit into any water bottle, shaker cup, or sippy cup. Fits cups up to 10 inches tall.