Brand: Prime Houseware Material: Polypropylene Colour: Natural Inclusive Of: 3 Pcs Capacity: 300 ml, 450 ml, 600 ml Excellent Air Tight And Water Tight Durable And Multi-Purpose Microwave And Dishwasher Safe 4 Sided Locking System Space Saving Stackable System Product Description Keep your food fresher with Lock It Aqua Clear Round Container. Easy to use and versatile, they help prevent food from going stale while keeping your refrigerator, freezer or pantry neat and organized. The containers are scientifically designed for stacking both upward and sideways to save space on the shelf. These boxes nest when not in use to take up less space in the cabinet. Also they act as a convenient compact gifting solution where you can gift different sizes of boxes conveniently inside one another thereby making it compact yet a useful gift.