Thermastack - Stackable Insulated Lunch Box
Thermastack - Stackable Insulated Lunch Box
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A stackable insulated lunch box featuring three separate compartments for varied meal prep.
Packing meals for the office often results in mixed dishes or lukewarm lunches by midday. Finding a system that accommodates different courses in a single stack simplifies the daily routine. This insulated lunch box features a multi-tiered design with three distinct compartments, separating soups from salads. It includes one large 21 fl oz base and two 15 fl oz top sections, all secured with flexible sealing rings for leak resistance.
Why is this insulated lunch box so popular?
- Stackable compartments: Three distinct sections allow for varied meal components without mixing flavours.
- Thermal retention: Built with an insulating layer designed to hold temperatures for up to three hours.
- Leak-resistant closures: Each lid incorporates a flexible sealing ring for secure transport of liquids.
Ideal for:
Office workers needing an insulated adult lunch box for daily commutes, campers looking for a multi-compartment thermal food container and families packing separated meals for park picnics or weekend outings.
How do the separate compartments connect to each other?
The containers stack vertically and secure with a twist mechanism, creating a single unified column that fits directly into the included carry bag.
What are the exact capacities of the included containers?
The set includes one larger base container measuring 21 fl oz and two smaller upper containers holding 15 fl oz each.
How long does the thermal layer retain heat?
The built-in insulation is designed to maintain internal temperatures for up to three hours under standard room conditions.
Is this lunch box suitable for carrying liquids like soup?
Yes, each lid features a flexible sealing ring designed to provide leak resistance for liquid-based dishes.
Details
- Interior material: 304 Stainless Steel
- Exterior material: PP Plastic
- Insulation material: PU
- Seal material: Silicone
- Large container capacity: 21 fl oz
- Small container capacity: 15 fl oz
- Total containers: 3
- Temperature retention: Up to 3 hours (at room temperature)
- Design: Stackable, cylindrical
- Included accessories: Insulated carry bag with zipper
Don't miss out on this stackable insulated adult lunch box designed for organized meal transport. Whether you're looking for a multi-compartment setup for work lunches or a portable set for weekend picnics, this system delivers.

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