Tupperware Square Divided Lunch Box Has a virtually air-tight seal to keep food fresh ang spill-proof. Base comes with a fixed divider for easy portioning and separation of food. With big tabs for easy opening. Sturdy and durable. Tupperware Square Divided Lunch Box Has a virtually air-tight seal to keep food fresh ang spill-proof. Base comes with a fixed divider for easy portioning and separation of food. With big tabs for easy opening. Sturdy and durable. Tupperware Square Divided Lunch Box Has a virtually air-tight seal to keep food fresh ang spill-proof. Base comes with a fixed divider for easy portioning and separation of food. With big tabs for easy opening. Sturdy and durable. Tupperware Square Divided Lunch Box Has a virtually air-tight seal to keep food fresh ang spill-proof. Base comes with a fixed divider for easy portioning and separation of food. With big tabs for easy opening. Sturdy and durable.