Perfect for keeping those nutritious lunches hot or cold, the 3 Sprouts Stainless Steel Food Jar is made of food grade stainless steel that keeps your little one's lunches warm for up to 6 hours and cold for up to 8 hours. With a wide-mouth opening and spork included, this food jar makes lunchtime prep easy for parents. With its durable and lightweight design, and loveable animal face, our food jar is a hit with parents and children alike! Our food jar is BPA-free and phthalate-free and is top rack dishwasher safe.