HomeIdeas Set of 4 Elegant, Fashionable & Stackable Food Storage Containers, Silicone Collapsible Lunch Bento Box, Freezer to Microwave Oven Safe, (350ML , 540ML , 800ML , 1200ML) THE COMBO PACKAGE including 4 stackable containers: A yellow one (350ml) , a purple one (540ml) , a green one (800ml) and a red one (1200ml). Online lowest price from direct wholesaler. VALVE DESIGN - Hot gas can discharge and water vapor will not form in the lunch box. So not suitable for liquid ,such as water and soup which can leak from the valve. MATERIAL SAFETY - Containers are made from 100% Food Grade PP & Silicone: Non-toxic, Eco-friendly. Super smooth surface of the inside to avoid greasy and very easy to clean. BETTER ORGANIZATION, BETTER FOOD STORAGE: Perfect for indoor food storage, outdoor activity, such as work, camping, hiking, travel and more. HomeIdeas container is ideal for frequent use and easy storage when not in use, they will never be idle. 100% SATISFACTION GUARANTEED or your money back! We are confident you will love the handles, strength and convenience of our HomeIdeas!