FOOD GRADE STAINLESS STEEL - Each container made of stainless steel (inner) and PP5 (outside).BPA-free,safe and non-toxic.
SQUARE BUCKLE & SEALING COVER - The lunch box with Square buckle and Sealing cover,make sure that is leakproof.
DENIM LUNCH BAG -The portable lunch bag with adjustable shoulder strap, suitable for kid and adult.
FREEDOM TO COMBINE - According to your preference,combined into different layers of lunch boxes to facilitate the storage of different amounts of food.
KEEP WARM-The lunch box usually can keep food warm or cold for 1-2 hours, with the insulated lunch bag can keep for 2-3 hours.