Come and Check Our Promo Solutions.This lunch bag uses our cationic insulation technology to keep your drinks cool without spoiling your sandwich. Our insulation materials can keep your food cold or warm during your daily work. The powerful lunch box is unstoppable and comes with a detachable buckle handle. Whether it is attached to a backpack or placed next to a briefcase, it looks very beautiful. Pls check inventory and detailed info with us before placing your orders.