High-Quality Material: The foldable lunch box is made of food-grade silicone, easy to clean and nothing sticks to the silicone. Space Saving: Simply flatten the empty container to take up very little space in your backpack or cupboard. Microwave Safe: This food-grade silicone food storage box is microwave safe. Remove the lid or open the air vent valves on the lid when heating. Easy to Carry: These collapsible food storage containers are lightweight and convenient for travel, hiking, or carrying food. Wide Range of Uses: This foldable silicone lunch box is suitable for food storage, lunches, picnics, travel, hiking, camping, and more. It works well for storing dry or wet foods such as nuts, leftovers, fruits, and other items. Note: - Actual color may vary slightly due to lighting effects. - Allow 1-3 cm deviation due to manual measurement. Material: Silicone Capacity: 350ml, 500ml, 800ml, 1200ml Size: 350ml: Unfolded: 132 x 97 x 65mm, Folded: 132 x 97 x 30mm 500ml: Unfolded: 160 x 110 x 65mm, Folded: 165 x 110 x 30mm 800ml: Unfolded: 190 x 121 x 69mm, Folded: 190 x 121 x 30mm 1200ml: Unfolded: 220 x 145 x 75mm, Folded: 220 x 145 x 30mm