Aluminum Foil Custom Insulated Lunch Bags Leak Proof Square Lunch Bag

Leak-Proof Insulated Lunch Bag: Heavy-Duty, Waterproof, Easy To Clean, Large Capacity

INSULATED LEAK-PROOF LUNCH BAG: The lunch cooler bag for men and women features a food-grade PEVA lining that's leak-proof and easy to clean, so you don't have to worry about water, soup, or sauce leaking. Thick insulating foam ensures your food stays hot or cold for hours while providing superior protection. Stay organized with our leak-proof lunch boxes to keep your meals fresh and your containers secure. This lunch box is perfect to take to school, the office, work, and the gym.

Large Capacity Lunch Box: This medium lunch box tote is generously sized. It's compact yet easily accommodates large meals, meal prep, lunch boxes, and food salad containers. It can hold up to 14 cans of soda (330ml) or 8 liters of food and is suitable for adults, men, women, children, teenagers, boys, girls, middle school and college students. The spacious interior provides plenty of room for your lunch essentials, making it a great back-to-school lunch supply.

FULLY FUNCTIONAL PORTABLE LUNCH BOX: Our lunch bags are designed for convenience. It has adjustable shoulder straps so you can carry it comfortably whether you are going to work, school, office, travel, park, beach, road trip, camping, or picnic. The bag includes side mesh bottle holders for quick access to water bottles or drinks. The front pocket is perfect for storing cutlery, napkins, and small essentials. Double zippers ensure the bag opens and closes easily.

DURABLE, HEAVY-DUTY LUNCH BAG: Our lunch bags are made from 600D Oxford polyester to withstand heavy use. Heavy-duty material resists tearing and ensures long-lasting durability. Whether you're a professional, a student, or frequently on the road, our reusable lunch bags have you covered. Just wipe it with a damp cloth to keep it clean and fresh. Thick, soft material protects your food all day long.

LUNCH COOLER BAGS FOR ALL OCCASIONS: Our soft lunch cooler bags are perfect for carrying meals to work, school, office, work, road trips, travel, picnics, and other outdoor activities. It has a waterproof design to prevent your food and drinks from spilling and leaking. Our lunch bags come in bright color options that appeal to adults, men, women, kids, teens, boys, girls, men and women. Passes CPSIA lead, CSPA phthalates, and cadmium testing.

      Zhongshan IPS Electric Factory was established in 2000, located in Zhongshan City, Guangdong Province. Focusing on the R&D and production of small household appliances for 25 years, through continuous efforts, the current factory area is more than 6,000 square meters, with an automated production workshop and 5 assembly lines with an annual output of more than 500,000 units. The factory has passed ISO-9001; many products have passed CE, ROHS, LFGB, FCC, UKCA, etc.

      Our main products are lunch boxes, electric lunch boxes, mini rice cookers, electric mixers, bottles, tableware, etc.

      In the past five years, through continuous innovation, we have over 20 original design products from Europe and America and become a top ten brand supplier of kitchen appliances on Amazon.

Introduction to IPS Factory

Technical Production Department

IPS specializes in the production of electric lunch boxes, boasting over 100+ proprietary molds and 11+ fully automatic injection molding machines, enabling efficient assembly line operations. Leveraging patented technology, IPS rigorously implements 12 quality inspection processes, coupled with hourly inspections and full employee self-inspections for dual quality control, ensuring zero defects and supporting large-scale customized production.

Full-Chain Quality Control System:

• Mold R&D Advantages: A library of over 100+ mature molds enables rapid prototyping and shortens lead times.

• Scaled Production: 11+ injection molding machines operate in parallel – ensuring a stable supply and a daily production capacity of 10,000 units.

• Raw Material Incoming Inspection (strictly selects food-grade PP raw materials)

• 12 Quality Inspections During the Production Process (including key indicators such as dimensions, sealing, and temperature resistance)

• Dynamic Inspections (on-duty engineers conduct hourly inspections of key indicators)

• Full-Staff Quality Inspection (operators conduct real-time quality checks and record every process).

• Patent Guarantee: Products are food-grade safety certified and offer industry-leading durability.

IPS Electric Lunch Box Packaging Process

Standardized Packaging Process:

1. Label Verification

• Apply product labels in a standardized manner to ensure clear and accurate information.

2. Accessory Assembly

• Positioning and positioning the power cord after quality testing.
• Visually inspect each food-grade stainless steel inner container for defects and insert it precisely into place.

3. Sealing Quality Inspection

• Perform a 20% airtightness inspection after the lid is closed.
• Inspect the product exterior for scratches and stains.

4. Color Box Packaging

• Use shock-proof lining for standardized packaging.

5. Final Inspection and Sealing. 100% unpacking re-inspection at the end of the production line:

• Verify the completeness of accessories
• Check packaging integrity
• Verify shipping labels.

6. Qualified products are sealed and assigned a traceability code for storage