Kids need to stay hydrated too, especially when they are playing outside or at school. Hydro Flask will give them a rough and tumble alternative to their simple plastic, warm water bottle. W18CSWBB363 For ages 3+ Straw cap TempShield double-wall vacuum insulation keeps contents cold up to 24 hours Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last powder coat is dishwasher safe and stays slip-free and colorful Perforated Bottle Boot for added protection Integrated name tag BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer