Save Space: Collapsible food containers, save more than 60% space for you. Silicon storage containers is easy for you to storage and save you a lot of space. It can be folded to 3cm thick when not in use, saving storage space, or can be used as a dish, change its shape. Leak-proof Protection: sealed lid will not cause food to pour out, safe and stable, the lid is very stable, as long as the lid is closed, it can prevent food from spilling, can store all the ingredients, please try not to pour liquid. Multiple Occasions: Silicon collapsible lunch box is perfect for Indoor food storage, for Home, Bar, Restaurant, Also including Outdoor Activity, Such as Office, School, Picnic, Company, Camping, Hiking, Travel and More. Material: Lunch containers made of high quality food grade silicone, eco-friendly, Suitable for microwaves and refrigerators, safe for your helth. The Safety of the Bento Box: Our bento box has been safely placed in the microwave oven, refrigerator, and will not deform under high or low temperature environments. Do not put the lid together, the lid cannot withstand heating! Features: Made of food grade silicone, non-toxic and odorless, safe to use. High temperature resisting, can be used in refrigerators, microwave ovens, dishwashers. It can be folded completely to 1/3 of the original size when not in use, and different sizes of lunch boxes can be stacked together. When used in a microwave oven, the clip lock covers food safety and the air valve on the lid serves as a vent. Easy to clean, lightweight and portable. Ideal for food storage, easy to carry to the office, camping, hiking, picnics, etc. Specification: Condition: Brand New Material: Food Grade Silicone Color: Pink Temperature Resisting Range: -40-240 Optional Capacity: 500mL Folding Size: approx. 500ml: 16 x 10.5 x 3cm / 6.3 x 4.1 x 1.2inch; Unfold Size: approx.500ml: 16 x 10.5 x 6.8cm / 6.3 x 4.1 x 2.7inch; Package List: 1 x Silicone Lunch Box Note: Do open the riser vent before putting the lunch box into microwave.