The 9oz insulated straw bottle is the ideal bottle for Pre-K to early elementary school kids who prefer a warm or cold drink. Our 100% medical grade silicone straw top eliminates distracting drinking or lid removal noises of traditional bottles making them a teacher’s favorite! True to our plastic-free mission, our straw bottle is 100% plastic-free unlike other bottles that use plastic components in their straw bottles. With Pura, you can be sure you are getting the safest, BPA/BPS-free and NonToxic Certified bottle on the market.