TREEJACK Ceramic Inner Thermal Lunch Box Microwave Safe Fresh-Keeping Box 2025 New Stylish Bento Box for Office Workers

Keeps food warm or moderately hot for up to 6 hours

Microwave-safe ceramic inner container designed for even heating and food freshness

Multi-compartment design to prevent flavor mixing while maintaining temperature and freshness

Suitable for storing rice, dishes, soup, and fruits

Can be refrigerated and reheated in microwave for 2 minutes to restore just-cooked temperature

Durable construction with 3-layer vacuum insulation for long-lasting heat retention

Food-grade PP outer shell with vacuum insulation layer and thickened ceramic inner liner

Certified safe by authoritative institutions; free from lead, copper, and other harmful substances

Complies with GB31604 series standards for heavy metal migration limits

Official safety and quality inspection reports available

Ideal for preparing meals in the morning and enjoying warm food hours later without reheating queues

Convenient for meal prep, lunch at work or school, and preserving food freshness overnight