Safe and Eco-Friendly Material: Made from Ecozen, a BPA-free material derived from grain crop residues, this lunch box is durable, environmentally friendly, and perfect for storing food in a healthy way. It is sturdy, glass-like in transparency, and highly recyclable. Its airtight lid ensures a leak-proof seal, making it ideal for travel, picnics, and school meals. Fully dishwasher safe.