(4 pack) Mainstays Food Jar Insulated Food Storage Container, Stainless Steel, 27oz, Perfect for School Lunches and Activities to Keep Meals Hot or Cold

Mainstays Stainless Steel 27-ounce Insulated Food Jar: Double-walled construction provides temperature control to keep hot food hot and cold food cold for hours No-sweat design allows you to enjoy your lunch anywhere without condensation forming on the jar Removable lid provides a no-leak, vacuum seal that keeps your foods and beverages fresh Wide-mouthed opening makes this container perfect for hot soup or an ice-cold drink Made from durable 18/10 food-grade stainless steel Attractive brushed-metal exterior Dishwasher safe: top rack only For maximum thermal efficiency: Preheat or pre-chill the product just prior to use. Fill with hot or cold water, attach lid, let stand 5 to 10 minutes and empty water. After filling container with contents, re-cover with lid to increase thermal efficiency.