This lunch box features a durable housing unit for even warming. It includes a tight sealing storage lid to lock in heat and prevent spills. The detachable cord simplifies storage and reduces clutter. The price drops from $39.99 to $27.99 to $25.19 when you apply the coupon code "HOME" at checkout. Log into your free Macy's Rewards account to get free shipping at $25, or spend $49 otherwise.