Feature: -Made of food-grade silicone, eco-friendly material,non-toxic, tasteless, safety and healthy. -Fully collapsible to 1/3 of the original size when not in use, and all can stack on top of one another. -It is not easy to deformation, melting, can be used in the refrigerator, microwave oven, dishwasher. -Clip lock lid to keep your food secure and with air valve on lid as an option of air vent when using in microwave. -Excellent for food storage, office, camping, hiking and picnic. Specification : Material Silicone Color Green / Pink / Blue Weight 350ml - 100g 500ml - 130g 800ml - 163g 1200ml - 220g Capacity 300ml / 500ml / 800ml / 1200ml Package Includes : 1 x Honana SiliconeLunch Box