Our Indigo-exclusive stainless steel water bottle is perfect for kids on the go. It is made of 18/8 food grade stainless steel and has a double lined thermal wall that keeps that favorite drink hot or cold for up to six hours. The bottle holds 13.5 oz or 400 ml of liquid. The Spill-resistant sipper makes drinking easier for kids of all ages. It is great for school, camp or travel and has a whimsical design guaranteed to delight any kid. Hand washing is recommended. These bottles are an eco-friendly alternative to throw-away juice bottles or plastic bottles!