• Double wall stainless steel construction • Built-in straw for easy drinking • Leak-resistant lid suitable for school bags Convenient Size: With 420ml, the size is suitable for children, making hydration easy. For Children: Lightweight and portable children's thermos bottle, ideal for children's daily use. Thermal Insulation: Keeps drinks at the ideal temperature for up to 6 hours, perfect for a life on the go. Thermal Bottle with Straw | Stainless Steel Material: Bottle with 304 stainless steel inner lining, ensuring durability and quality. Design with Straw: Includes a plastic straw to facilitate hydration for children, ideal for daily use.