316 Stainless Steel Leak-Proof Bento Lunch Box | 500ml–3000ml

Stainless Steel Leak-Proof Bento Lunch Box – Microwave & Freezer Safe

Meet your new go-to meal container — a premium 316 stainless steel bento lunch box designed for everyday use at home, the office, school, or out in the wild. With an airtight, sealed lid that locks in freshness and prevents spills, this rectangular lunch box keeps your meals exactly where they belong: inside the box. Available in five generous sizes from 500ml to 3000ml, there's a perfect fit for every appetite and occasion.

Crafted from food-grade 316 stainless steel — a higher-grade alloy than the standard 304 — this lunch box is naturally resistant to rust, staining, and odors. It's built to last and free from harmful chemicals, making it a smart, eco-friendly alternative to single-use plastic containers.

Key Features

• Premium 316 Stainless Steel: Durable, rust-resistant, and food-safe — no BPA, no plastic taste, no compromise.
• Airtight Leak-Proof Seal: Secure locking lid keeps liquids and sauces contained during transport.
• Microwave Compatible: Reheat meals conveniently without transferring to another dish (lid off for microwave use).
• Refrigerator & Freezer Safe: Store prepped meals or leftovers with confidence — this box handles the cold with ease.
• Five Size Options: Choose from 500ml, 1000ml, 1500ml, 2000ml, or 3000ml to match your portion needs.
• Eco-Friendly Design: Reusable and sustainable — reduce waste with every meal you pack.
• Rectangular Shape: Maximizes storage space in bags, backpacks, and refrigerator shelves.
• Easy to Clean: Smooth stainless steel interior won't trap odors or stains — rinse and go.

Size Guide

Perfect For

• 🏕️ Camping, hiking, and outdoor adventures
• 🏢 Office and workplace meal prep
• 🏫 School lunches for kids and teens
• 🥗 Weekly meal prepping and food storage
• ❄️ Freezer batch cooking

Made in Mainland China.

Pair It With

• 1.5L Hydrogen Water Bottle – Portable Hydrogen-Rich Sports Kettle
• 1.2L Nut Milk Machine – 6-in-1 Soy Milk Blender & Ice Crusher
• 1.5L Mini Electric Rice Cooker – Non-Stick Multifunction Hot Pot

For more information on food-safe materials and container guidelines, visit the FDA's guide on food contact materials.

Frequently Asked Questions

Q: Is this stainless steel lunch box truly leak-proof for liquids like soups or sauces?

A: Yes! The airtight sealed lid creates a secure closure that prevents spills and leaks, making it suitable for carrying soups, stews, sauces, and wet foods — ideal for commuting, camping, or packed lunches on the go.

Q: Can I use this bento box in the microwave?

A: The box is microwave compatible for reheating — simply remove the lid before placing it in the microwave. The 316 stainless steel body is safe for microwave use without the lid on.

Q: What is the difference between 316 and 304 stainless steel for food containers?

A: 316 stainless steel contains an additional molybdenum alloy that makes it more resistant to corrosion, rust, and acidic foods compared to the more common 304 grade. This means your lunch box stays cleaner, lasts longer, and is safer for storing a wider variety of foods — including citrus-based and salty dishes.

Q: Which size should I choose for meal prep?

A: For a single meal or snack, the 500ml or 1000ml is ideal. The 1500ml suits a full lunch with sides. The 2000ml and 3000ml are excellent for large meal prep batches, family portions, or camping trips where you need to carry more food.