Fill with cold tap water, attach lid, let stand 5 to 10 minutes and empty. 12 ounce capacity; hand washing recommended Kids love FUNtainer products from Thermos brand, but parents love them even more. The FUNtainer 12oz Vacuum Insulated Stainless Steel Water Bottle with a silicone straw keeps drinks cold for up to 12 hours. No make believe required. FUNtainer products are always made with love from BPA-free materials. The double wall stainless steel construction is built to handle drops, dings and assorted roughhousing. The 12oz bottle includes an integrated carry handle with soft-touch grip, making it easy for kids to carry with them throughout the day. The handle can also be folded down when not in use. Keep germs away with the hygienically covered 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.