Leakproof Stainless Steel Lunch Box - 800MlBring your own lunchbox to save our planet. Some experts estimate the decomposition of a styrofoam lunch box could take up to 10 thousand years. Styrofoam and plastic single use lunch boxes are non biodegradable and will break into small pieces when discarded. Marine animals may view the plastic pieces as food when they flow into the sea. Save our planet and try this simple eco swap to reduce waste ! Size: 800ml, 16. 5cm x 11. 5cm x 6cm leakproof