A rectangular container for easy steaming in the microwave. - Product Name: Mushi Taro (Large) - Purpose: Steaming food in the microwave - Size: Large - Shape: Rectangular I am selling this because I no longer need it. Thank you. Returns, refunds, cancellations, and complaints are not accepted after purchase. Please understand that this is a used item and may have some imperfections due to my amateur inspection. Will be shipped without the original box. Thank you for looking.