With a 290ml capacity, this Thermos Insulated Food Jar in a Ninja design is the perfect container for your child's hot lunch. Measuring 11.5 x 9 x 9cm, the vacuum insulation ensures maximum heat retention for hot meals up to 5 hours and cold meals for up to 7 hours. The durable stainless steel interior and exterior ensures ultimate durability and keeps your Thermos cool to touch even with hot liquids inside. The wide mouth ensures easy filling and eating and the entire design is compact and lightweight for ultimate convenience and portability. The leading manufacturer worldwide for quality insulated products, Thermos take pride in selecting only the very best materials to ensure reliable performance even after the thorough third party testing each product proudly undergoes. Meeting current CPSIA standards, Thermos are confident each product is food safe and safe to be used by all consumers, especially children. A proudly green company, Thermos are continually developing products to meet new consumer needs with portability and sustainability front of mind. Purchase a Thermos product and you can have peace of mind that not only will it meet your highest standards, but by making the purchase you are doing your part to protect our environment.