Ikea Övermatt Food Fruit and Vegetable Storage Container - 2 Piece Storage ContainerUseful Information Washable and reusable. The food preservation acts as a cover and keeps the contents fresh longer. It is easy to clean as it can be washed in the dishwasher. Care Instructions It can go into the dishwasher. To keep food preservatives clean, make sure they are completely dry before putting them back in place. The easiest way is to let it dry on its own. Material silicone rubber Environmental awareness It does not contain BPA