WinWhale Electrically-Heated Lunch Box, Portable Food Warmer with 304 Stainless Steel Inner Container, Self Heating Bento Box for Office & Car Use

Brand:WinWhale

Outer Shell Material: Food Grade PP Plastic

Inner Container Material: Food Grade 304 Stainless Steel

Capacity: 1L

Rated Voltage: 110V

Rated Power: 60W

Heating Method: Dry constant temperature heating, no water required

Product Dimensions: 24cm ×16cm ×12cm

Net Weight: Approx.0.85kg

Date First Available:April 26,2026

This electrically-heated lunch box comes with food-grade 304 stainless steel inner tray. It is corrosion-resistant and easy to clean, safe for direct food contact, high temperature resistant and odor-free.

Electric plug-in constant temperature heating design. No water needed, it quickly reheats meals and retains original food flavor. Ideal for office and home use, enjoy hot food anytime instead of cold meals.

Integrated 4-side locking buckles with silicone sealing ring for excellent leak-proof performance. Built-in steam vent on lid to release steam during heating for easy opening. Portable handle for convenient carrying.

Removable inner container for easy full cleaning without dead corners. Premium PP outer shell provides heat insulation to prevent scalding, the shell stays cool while heating.

Compact minimalist design saves space, perfect for desk or car. Great choice for office workers and students, also a thoughtful gift to avoid cold takeout meals.


WinWhale Electrically-heated lunch box is a portable food warmer designed for office workers and students. Skip the long queue for microwaves and cold takeout, enjoy warm homemade meals anywhere. The inner tray is made of food-grade 304 stainless steel, safe and stable for rice, meat and vegetables. It can be taken out separately for easy washing. Adopting dry constant temperature heating technology, no water is required. It heats food evenly and gently to preserve the original taste without drying out meals. Four-side locking buckles with silicone gasket achieve reliable leakproof performance, no worry about soup leakage in your bag. The lid has a steam release vent to release internal steam during heating and avoid excessive pressure. The heat-insulated PP outer shell stays cool during heating to prevent burns. The removable inner container enables thorough cleaning with no blind spots. Lightweight with carry handle and compact size for easy storage, perfect for office desk or car use. 1L large capacity meets one person’s meal needs. This electrically-heated lunch box is your ideal companion for bringing homemade lunch to work or short trips.