Specification	Details
Material	Food-grade 304 stainless steel
Lid Options	PP lid with silicone seal / Stainless steel lid
Capacity	600ml / 800ml / 1200ml
Shape	Rectangle
Leakproof Level	High
Temperature Resistance	−40°C to 400°C
Cleaning	Dishwasher safe
Heat Source	Oven safe (box only)
Usage	Lunch, meal prep, outdoor meals
Best For	Adults, kids, office, school
Packaging	Kraft box / bulk carton
Custom Options	Logo engraving, lid printing
MOQ	300–2000 units

 

 

The Food Grade 304 Stainless Steel Lunch Box Rectangle Leakproof Bento Lunch Box is designed for consumers who value durability, hygiene, and sustainability in daily meal storage. Built from premium 304 stainless steel, this model provides exceptional resistance to corrosion, stains, and odors—making it a top choice for health-conscious users, families, schools, and corporate meal-prep services.

For manufacturers and retailers sourcing multi-material lunch solutions, the broader category range can be reviewed via Lunch box manufacturers to support comprehensive procurement decisions.

Premium 304 Stainless Steel for Safe & Hygienic Meals 🌿

304 stainless steel is widely recognized for its food safety and antibacterial properties. Unlike plastic containers, it does not absorb odors, discolor, or leach chemicals, providing a safer choice for:

• Children’s lunches

• Adult meal prep

• Outdoor food storage

• Long-term household use

Its robust construction ensures consistent freshness and flavor retention, making it ideal for high-end retail programs or premium food brands.

Leakproof PP or Stainless Steel Lid with Silicone Seal 💧

Depending on the model, the lunch box includes either:

• A PP lid with airtight silicone seal for daily usage, or

• A matching stainless steel lid for oven-to-table applications

Both designs are engineered for strong leakproof performance, preventing spills during commuting. This makes the container suitable for:

• Office lunches

• School bags

• Outdoor travel

• Gym meal prep

To explore additional stainless steel structure options, buyers may refer to Stainless Steel Lunch Box manufacturers for more capacities and styles.

Rectangular Bento Layout for Organized Meals 🍱

The rectangular shape maximizes space efficiency and supports balanced portioning. Customers can store rice, vegetables, meats, snacks, or sandwiches in a compact, organized format. This layout is especially suitable for:

• Bento-style meals

• Weekly gym meal prep

• Children’s divided lunches

• Workday meal combinations

Some models can be upgraded with removable dividers for added flexibility.

Temperature Resistant & Oven Safe for Versatile Use 🔥

One of the standout features of stainless steel lunch boxes is their ability to withstand extreme temperatures. The container can be used for:

• Oven (box only, no lid)

• Refrigerator storage

• Outdoor picnics

• Camping meals

Its rugged design makes it a favorite among travelers, hikers, and individuals who pack hot meals regularly.

Eco-Friendly & Long-Term Reusable 🌎

Stainless steel supports long-term sustainability goals and is an excellent alternative to disposable plastic containers. Households using these boxes enjoy long product lifespans—ideal for eco-conscious families and retail brands promoting zero-waste lifestyles.

Lightweight, Durable & Easy to Clean 🧽

Despite being made of metal, the lunch box remains lightweight enough for daily use. It is also fully dishwasher-safe, making maintenance extremely simple for busy users.

This low-maintenance performance makes it suitable for:

• Cafeterias

• Corporate wellness programs

• School lunch distributors

• Meal-prep subscription services

Retailers offering complete lunch kits can pair this model with insulated bags available through Lunch box wholesale to create premium bundled sets.

Manufacturer-Ready Custom Branding 🏷️

This stainless steel lunch box supports extensive OEM and ODM customization, including:

• Laser-engraved logos

• Custom-sized lids

• Branded outer packaging

• Multi-unit bento sets

• Promotional gift designs

These features make it highly attractive for premium lifestyle brands, corporate gifting programs, and supermarkets building long-lasting reusable product lines.

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FAQs

1. Is 304 stainless steel safe for food contact?
Yes, it is one of the safest and most hygienic materials for daily meal storage.

2. Is the lunch box fully leakproof?
Yes. Models with silicone-sealed lids offer strong leakproof protection suitable for commuting.

3. Can the lunch box be heated in the oven?
The stainless steel box is oven compatible, but the lid should be removed before heating.