THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Matte Stainless Steel

THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Matte Stainless Steel

ASIN: B01DZQT01U
Analysis Date: Jan 30, 2026

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Review Analysis Results

B
Authenticity Grade
15.00%
Fake Reviews
4.87
Original Rating
4.50
Adjusted Rating

Analysis Summary

The majority of these reviews appear genuine, with approximately 85% showing authentic characteristics. Most reviews are detailed, include personal context, and describe specific use cases that align with normal consumer experiences. The product appears to be a quality thermos that performs well for its intended purpose, which naturally generates positive feedback from satisfied customers.

Strong evidence of authenticity includes multiple reviews with specific personal scenarios: a husband's lunch staying hot from 1pm to 8pm (review 3), a teen athlete using it for track practice (review 7), outdoor workers in cold climates (review 8), and practical tips like using a canning funnel (review 3) or pre-heating with boiling water (review 8). These detailed, contextual experiences are difficult to fabricate and indicate genuine user interactions with the product.

Some concerns exist with a few reviews that are extremely brief or generic, lacking specific details about the user experience. Reviews 10, 11, 12, 13, and 15 contain minimal content or appear to be translated, which could indicate lower-quality feedback but not necessarily manipulation. Only one review (14) shows potential marketing language with aesthetic commentary that seems slightly promotional in tone.

Overall, this appears to be a well-reviewed product with mostly authentic feedback. The few concerning reviews represent a small minority and don't indicate systematic manipulation. The detailed positive reviews align with what would be expected for a functional thermos that performs as advertised, with users sharing legitimate experiences of keeping food hot for extended periods.

Key patterns identified in the review analysis include: Specific temperature retention times mentioned, Personal use cases (work, school, travel, athletes), Practical tips for use (pre-heating, filling methods).

Review Statistics

57,653
Total Reviews on Amazon
-0.37
Rating Difference

Price Analysis

THERMOS food jars occupy the premium segment of insulated containers with excellent ratings justifying their higher price. Given the 4.87/5 rating from 57,000+ reviews, this product delivers proven value. Wait for seasonal sales or coupon offers to purchase at the best price.

MSRP Assessment

Estimated MSRP: $39.99
Source: Brand typical pricing
Amazon Price: Unable to compare

Market Position

Positioning: Premium
Alternatives Range: $18-$45
Value: THERMOS commands a premium for superior insulation performance and durability compared to generic food jars.

Buying Tips

Best Time to Buy: Best deals often appear during back-to-school season (July-August) and holiday sales (November-December).
Deal Indicators: Look for prices below $30, bundled offers (with lunch bags), or coupon discounts.
Watch For: Watch for third-party sellers pricing significantly below THERMOS's typical range, which may indicate counterfeit products.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 30, 2026

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (4.50 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.87 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.

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