The lunch box is made of 304 stainless steel is dishwasher safe. The kit contains one electric lunch box, one stainless steel spoon, one fork, an additional plastic compartment, one 27.6-inch long cord for 12V cars/24V trucks, and one 27.6-inch long cord for 110V household/office use. The price drops from $33.94 to $29.99 to $16.99 when you apply the coupon code "50JULWJP" at checkout. Shipping is free for prime members or on orders over $25.