Kid-Friendly Hydration: Designed for children ages 3 and up with a simple flip, bite, sip straw for easy drinking Cold for 10 Hours: Double-wall vacuum insulation keeps drinks refreshingly cold all day Durable and Stylish: Powder coat finish resists wear and tear while showcasing fun, eye-catching designs Leak-Proof and Spill-Proof: Leak-proof when closed and spill-proof when open for mess-free hydration Easy to Clean and Carry: Dishwasher-safe and features a comfortable carry handle for on-the-go use