Bubba HERO Kids Sport Vacuum-Insulated Stainless Steel Water Bottle, 12 oz, Blue Double wall stainless steel vacuum insulated, keeping beverage inside kids sports water bottle cold for hours Leak-proof lid that is designed for a premium drinking experience with the perfect flow and a lock lid High performance straw sport lid for convenient one-handed drinking & built-in finger loop for easy carrying Dishwasher safe; Not for use in the microwave Lifetime Guarantee