product description 1.Powerful Insulation : Double Walled Thermo Insulation technology will keep your child's beverages colder and warmer than single walled insulation thermoses .Perfect for sending kids to school and camp along with lunch to keep drinks cold or hot for up to 12 hours long . 2.Easy Pop Lid : With one press of a button your kid can access his water bottles contents , easy snap shut when done no spill vacuum tight seal. Close cap firmly and flush to ensure no leakage. 3.Wide Mouth Spout : Extra wide spout is designed for easy drinking for toddlers ,lightweight design for small children . 4.Stylish Designs : Variety of the amazing designs boys and girls will love ,best way for promoting proper hydration with flasks they will love! 5.High quality material: High quality stainless steel does not rust or break is extremely durable and will last a lifetime .