Magic Cook Triple Layers Portable Lunch Box Container Cooker x 1 Refill Heat Pack Double Layer High Heat Resistant PC with Stainless Steel Inner Compartment Imported Most versatile traveling Lunch Box Container Cooker with options to heat up anytime, anywhere without the need of fire,gas and electricity New triple layers design helps keep food warm at all time Works like any lunch box container with option to cook your food Lightweight durable and compact easy to travel Include 1 refill heat pack 50g Reheat your food anytime at office, road trip, hotels, outdoors and more Made of highest grade heat resistant food grade double layers PC and S304 stainless steel inner compartment. Place 1 Magic heat pack into the PC compartment and pour suggested water line Place the stainless steel back into the PC compartment and wait for the 1st reaction then close and lock lid. Wait 5-15 minuets as cooking time may vary