Snap & Lock Food Storage Containers, Material, Grate Air Tight Boxes to Keep Your Food Fresh, 4 Pc Set. (Round ) Great set containers made of high quality durable plastic material, Snap N' Lock mechanism for easy use. Re-usable, Stackable, Space saving, Dishwasher safe, BPA free, designed to preserve freshness and minimize clutter Extend the shelf life for coffee, fruits, vegetables, nuts, cookies, pasta, cheese and so much more. Different sizes: Large: 1.08 L (4.5 Cups), Medium: 0.45 L (2 Cups), Small: 0.22 L (1 Cup), X-Small: .067 L (1/4 Cup), Made for Number 1 in Gadgets check out our other high quality products by clicking on our brand name.