Material Non-toxic, food safe polypropylene (PP)Item size LxWxH 9.4 x 6.1 x 2 inchesProduct care instructions Dishwasher safeAbout this projectOriginal: The original stackable, portable, reusable and affordable way to prepare healthy lunches and snacks for school, work or travelBuilt-in portion control: 3 perfectly allocated compartments can easily pack a balanced meal to satisfy any appetite from children to adultsEasy-to-open lid: Designed with a child-friendly lid that can be firmly covered, but young children can easily remove it (not leak-proof)Microwave, refrigerator, and dishwasher safe: BPA-free containers designed by mom are easy to clean, easy to use, and easy to organizeWhat you get: A set of 4 3-compartment lunch containers and thoughtful customer support