Features: Safe: Made of FDA Certified food grade silicone, Non-toxic, BPA free, No Odor. Suitable for hot/ cold drinks. Easy to Clean: The cleaning brush is included in the carry case, you can get your straw clear and clean right away. To keep healthy for you and your families, we recommend to clean your straw after using to reduce bacteria. Portable: Comes with a portable carry case, you can carry it with your key chain or just put it on your pocket, compact and convenient using anytime and anywhere. Environment Protection: Take our reusable straw with you to enjoy the warm fuzzy feeling that accompanies waste reduction.