The Silicone Foldable Lunch Box 4 Piece Set provides four storage volumes ranging from 350ml to 1200ml. Food-grade silicone maintains structural integrity between -40°C and 240°C. Collapsible walls reduce total height to save 60% of storage space.
Key Features
- Collapsible Walls: 60% height reduction when folded. Fits into tight drawers or bags.
- Airtight Buckle: Four-side locking mechanism with silicone ring. Prevents oxidation and stops liquid leaks during transport.
- High-Heat Resistance: Rated for -40°C to 240°C temperature range. Transitions from freezer storage to high-heat microwave use.
- Smart Vent Valve: Manual pressure release valve on the lid. Releases steam to prevent lid suction during heating.
- BPA-Free Silicone: Non-toxic, food-grade construction. Resists road dust and chemical leaching into food.
Frequently Asked Questions
Is silicone lunch box microwave safe?
Microwave use is safe if you open the vent valve first. High-heat tolerance prevents the material from melting or releasing toxins.
How to clean silicone foldable lunch box?
Use the dishwasher or warm soapy water for manual cleaning. The non-porous surface prevents food oils from sticking to the walls.
















