Joyoung 3-Layer 316L Stainless Steel Lunch Box Microwaveable Bento Box for Students and Office Workers

Recommended to remove stainless steel inner bowl and use PP bowl for microwave heating; single heating time should not exceed 3 minutes

Multi-compartment design prevents flavor mixing, preserving individual food tastes

Leak-proof sealing with built-in silicone ring to prevent spills, suitable for soups and liquids

Double-layer hollow insulation design for heat resistance and better temperature retention

Detachable double layers for easy cleaning

Smooth and easy-to-clean 316L stainless steel inner container

Silicone rubber vent valve balances pressure for easy opening and closing

Hidden handle design for easy carrying without occupying space

Thickened insulated bag included for convenient and portable food carrying

Suitable for office meals, picnics, camping, and travel

Do not place the lunch box sideways or upside down to avoid leakage

Avoid storing hot liquids above 80°C in the lunch box

Easy to clean silicone sealing ring that resists discoloration

Read the instruction manual before use and follow safety precautions

Do not place the lunch box sideways or upside down during storage

Suitable for refrigeration and steaming cooking

Communication is encouraged for problem resolution and customer support is available

Product images and descriptions are for reference only; actual product may vary due to upgrades or manufacturing differences

Product specifications and performance data are based on laboratory measurements and may have slight deviations

All comparisons are made against Joyoung’s previous models, not other brands

Joyoung is recognized as the pioneer of the first space meal preparation, as reported by China News on November 14, 2025, during the Shenzhou 12 mission.