Premium 304 Stainless Steel Food Storage & Portable Lunch Box – Upgraded Airtight Design

Elevate your meal prep and food storage with this upgraded 304 stainless steel container. Designed for the modern, health-conscious lifestyle, this versatile box transitions seamlessly from the fridge to the oven or microwave, making it the perfect companion for office lunches, gym snacks, or organized refrigerator storage. Whether you are prepping overnight oats, storing fresh fruit, or carrying a hearty soup, this container is built to maintain freshness and withstand daily use.

Key Benefits

Premium Food-Grade Construction:** Crafted from high-quality SUS 304 stainless steel, this container is corrosion-resistant, durable, and ensures your food remains free from harmful chemicals often found in plastic alternatives.

Superior Airtight Seal:** Featuring a reinforced lid with a thick built-in silicone sealing ring and secure snap-locks, it provides a leak-proof environment that keeps ingredients fresh and prevents messy spills in your bag.

Integrated Steam Vent:** The lid includes a dedicated silicone air vent, allowing you to manage internal pressure and making it easier to open even when storing warm contents.

Versatile Heating & Cooling:** This multi-functional container is safe for use in the refrigerator, freezer, steamer, and oven, offering a wide range of culinary possibilities from meal prepping to reheating leftovers.

Compact & Portable:** Its sleek, rectangular design is optimized for space-saving in the fridge and easy transport in lunch bags, making it an essential tool for portion control and healthy eating on the go.

Key Specs

Material:** Food-grade SUS 304 Stainless Steel (Body), Thickened Composite (Lid), Silicone (Seal and Vent).

Available Capacities & Dimensions:**

250ml:** 11.5cm x 9.3cm x 5cm; Weight: 133g.

450ml:** 11.5cm x 9.3cm x 7cm; Weight: 160g.

550ml:** 11.5cm x 9.3cm x 9cm; Weight: 172g.

How to Use

For Meal Prep:** Fill with your choice of grains, proteins, or fruits. Press the lid down firmly and engage the side buckles to ensure an airtight seal.

For Reheating:** When using a microwave, oven, or steamer, you **must remove the lid entirely**. The stainless steel base is designed for heat conductivity, but the lid is not intended for high-temperature heating.

For Liquid Storage:** Ensure the silicone ring is properly seated before locking the clips to maintain a leak-proof seal for soups or sauces.

Care & Safety

Dishwasher Safety:** The stainless steel body is dishwasher safe. However, the lid must be hand-washed to preserve the integrity of the silicone seal and the locking mechanism.

Heating Warnings:** Never heat the container with the lid attached. Do not heat two containers at the same time in a microwave to ensure even heating and safety.

Storage:** Suitable for cold storage in refrigerators and freezers, as well as high-heat environments like ovens and steamers (body only).

Notes

"Upgraded custom lid with silicone air vent and secure snap-lock design."