These Progressive Large Collapsible Produce Keepers are clever, collapsible storing containers, which will pop up for large quantities or breakdown to store for smaller portion sizes. Store and keep fresh much longer with these Produce Keepers by Progressive. With an adjustable vent and reservoir, these produce keepers provide an perfect protected atmosphere for your crisp, fresh vegetables, fruit and green leafed salads and herbs. Clear lid allows you to easily identify the container’s contents, these Collapsible Produce Keepers are durable, flexible and maintain their shape. Dishwasher safe.