COOKER KING Insulated Lunch Box Food Grade 304 Stainless Steel Layered Large Capacity Adult Multi-layer Portable Bento Box 5-Piece Set

Made with food-grade 304 stainless steel inner liner for health, corrosion resistance, and hygiene

Double-layer insulation design with PU foam for effective heat retention up to 4-5 hours

Leak-proof and airtight silicone sealing ring prevents spills and preserves freshness

Vent valve design to balance air pressure for easy opening and closing

Multi-layer stackable compartments prevent flavor mixing and allow flexible food portioning

Hidden handle design for easy carrying and anti-slip bottom for stability

Compact and space-saving design suitable for small kitchens with wall-mounted layered storage

Comes with a stylish insulated carrying bag for convenient transport

Easy to clean with smooth surfaces that do not trap dirt

Preheat the inner container with hot water to improve heat retention

Fill with hot food promptly and store in the insulated bag for best temperature maintenance

Suitable for both hot and cold food storage

Insulation performance may vary depending on ambient temperature

Product dimensions and specifications may vary slightly by batch; actual measurements prevail

Tested by COOKER KING Food & Utensil Laboratory for heat retention and leak-proof performance