Constructed from food-grade PP plastic, this Electric Heated Lunch Box ensures safe, non-toxic heating of your meals, so you can enjoy your food with peace of mind. - Safe materials: food-grade PP plastic provides a reliable, non-toxic heating experience for daily use. - Convenient compartments: dual-compartment design plus an additional inner box lets you keep different dishes separate and prevents flavors from mixing. Note: the lid does not include a seal ring. - Heating performance: an indicator light shows when the unit is heating. The 40 W cyclic heating system warms meals for at least 50 minutes and automatically maintains a temperature range of 35-70 C. - Versatile use: suitable for drivers, teachers, office workers, and travelers who want to enjoy hot meals on the go. - Safe and sturdy: designed for high temperature resistance and environmental friendliness, providing a reliable option for your portable meal routine. - Important compatibility: this product is equipped with a wall plug only and does not include a car charger; it cannot be used to warm food in the car.