Prepworks from Progressive LKS-06 Lettuce Keeper(3 Pack) Keeps fruit, lettuce, and vegetables fresher longer for up to approximately 2 weeks Special design lets you wash and store all in one since the container doubles as a colander Water reservoir in the base keeps produce moist, and adjustable venting regulates air circulation and moisture Oblong shape works for all lettuce types; extra divider for simultaneous storage of different types of produce; stores under lid when not in use Printed produce storage guide also included for easy reference; top rack dishwasher safe