Durable and stylish lunch boxes for meals on the go. Premium Borosilicate Glass: Resists temperature changes and keeps food fresh. Double Jacket Insulation: Keeps meals hot or cold, just the way you like them. Leak-Proof Seal: Carry liquids and sauces without any worry. Crystal Clear Design: Easily see what's inside and show off your food. Easy to Clean: The smooth glass and removable jacket make cleanup a breeze.