MPOW Portable Electric Lunch Box, Cordless Battery Powered Heating, 5.5 Cup Capacity, Removable Tray Divider, Dishwasher Safe, Gray Manufacturer DigitNow The innovative design includes a Manufacturer Billie Eilish The innovative design includes a washable pre filter that not only extends the life of the HEPA filter but also saves you money on replacements Durable Weatherproof Construction: UV ray and saltwater resistant design ensures reliable performance in harsh outdoor environments including marine settings Smart Pre Heat Scheduling: Set your meal time in advance Its smart pre heat scheduling allows you to set a timer so the lunch box automatically heats your meal in advance and keeps it warm until mealtime