This ProKeeper Fresh Produce Keeper Set of 3 with air-flow vent technology is designed to keep fruits and vegetables fresh longer. No costly replacement cartridge is needed. This set includes 2x 3.5 quart (3.3 liter) square produce keepers that are perfect for storing lettuce, cabbage, bell peppers, grapes, cherries, strawberries, broccoli, brussels sprouts and more. As well as 1 x 5.3 quart (5 liter) long produce keeper, perfect for storing celery, carrots, romaine lettuce, zucchini, rhubarb, corn, cucumbers and more. The produce storage guide is printed on the lid for easy reference and includes a scannable QR code for an expanded product storage guide. The air-flow vents allow you to customize the keeper environment for optimal produce freshness. To maximize freshness, store first then rinse when ready to use. The built-in grooved colander base promotes air-flow while draining excess water. The set’s stackable and modular design maximizes fridge space. Square 7.6 in x 7.1 in x 6.1 in / 19.3 cm x 18.1 cm x 15.4 cm Long 15.5 in x 7.1 in x 4.3 in / 39.4 cm x 18 cm x 11 cm