The THERMOS FUNtainer 355ml Vacuum Insulated Stainless Steel Water Bottle with Straw keeps drinks cold for up to 12 hours. The double wall stainless steel construction is built to handle drops, dings and assorted roughhousing. Includes an integrated carry handle with soft-touch grip, making it easy for kids to carry with them throughout the day. Help keep germs away with the hygienically covered silicone straw which is removable for easy cleaning. To clean, you can pop your FUNtainer water bottle in the dishwasher; however hand washing is recommended. Not for use with hot liquids.