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ATTRO Hotmate Insulated Steel Lunch Box, 4-Sided Lock

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ATTRO · Kitchen

ATTRO Hotmate Insulated Steel Lunch Box, 4-Sided Lock

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★ 4.0Editorial guide rating · Reviewed 5 November 2026

About this item

  • •A four-sided lock with a steel lid as well as a steel body — unusual at this price, and better for heat retention.
  • •Airtight and leak-proof, with a side container for a snack or salad.
  • •The steel lid avoids the plastic-against-hot-food issue that plastic-lidded boxes have.
  • •Rated 4.0 and heavier than plastic boxes; the four clips take a moment to open and close.

Key Specifications

Specification 1
Insulated
Specification 2
Steel inner and lid
Specification 3
4-sided lock
Specification 4
Side container

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Data source: our buying guide, checked 5 November 2026.

Why it made the list

  • • A four-sided lock with a steel lid as well as a steel body — unusual at this price, and better for heat retention.
  • • Airtight and leak-proof, with a side container for a snack or salad.
  • • The steel lid avoids the plastic-against-hot-food issue that plastic-lidded boxes have.

Before you buy

Rated 4.0 and heavier than plastic boxes; the four clips take a moment to open and close.

From our guide: Best Insulated Lunch Box for School

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