FEATURES: The bento box dividers stay fresh more longer, easy open lids are perfect for kids, teenagers and adults. Ideal for busy, active families. Each person can grab their lunchboxes set and go for picnic, travling,working. Convenient to carry snacks and leftovers. Portion control sized container is perfect for who are dieting. The food saver looks a little thin, but hard enough for your home food.;MATERIAL: Each airtight lunch box containers with high-grade plastic injected molding to ensure maximum durability, flexibility and minimal cracks to prevent damage common among other competing products.;SAFE: Food grade plastic containers that are BPA free and safe to microwave, freeze, and use in the dishwasher (top shelf) over and over.;USAGE: Heat them up(microwave) or cool(freezer) them down. Our square bento lunchbox are built to withstand the microwave and dish washing machine (top rack) so you can save time and use them over and over again.;Warranty: If the item do not meet your need, our customer service are free-hassle for you to resolve your issue with the lunch bowls.