What percentage of reviews are fake for this product?

38.50% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of D based on review authenticity analysis.

How many reviews were analyzed?

156 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 4.88 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

Is this product priced fairly on Amazon?

Based on AI price analysis, this product is Unable to compare.

How is this product positioned in the market?

This product is positioned as a Budget option in its category.

KKBESTPACK 100 Large Poly Mailers 10x13 Shipping Bags for Small Business – Self Sealing Package Envelopes (10 x 13 Pack of 100, Black)

Name: KKBESTPACK 100 Large Poly Mailers 10x13 Shipping Bags for Small Business – Self Sealing Package Envelopes (10 x 13 Pack of 100, Black)
Brand: Amazon
SKU: B07X41JJXB
Availability: InStock
Rating: 4.9 (156 reviews)

ASIN: B07X41JJXB

Analysis Date: Aug 6, 2025

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Review Analysis Results

Authenticity Grade

38.50%

Fake Reviews

4.92

Original Rating

4.88

Adjusted Rating

Analysis Summary

Analysis of 156 reviews found 60 potentially fake reviews (38.5%). This product has high fake review activity. Exercise caution when purchasing.

Review Statistics

5,875

Total Reviews on Amazon

-0.04

Rating Difference

Price Analysis

This appears to be a well-reviewed budget option in the poly mailer category. Given the exceptional rating volume and score, it likely represents good value. Check current Amazon price against the typical $12-$25 range for 100-count 10x13 mailers, and consider timing your purchase around major sales events for potential savings.

MSRP Assessment

Estimated MSRP: Unknown

Source: Unable to determine

Amazon Price: Unable to compare

Market Position

Positioning: Budget

Alternatives Range: $12-$25 for 100-count 10x13 poly mailers

Value: With an exceptional 4.92/5 rating from nearly 6,000 reviews, this product likely offers strong quality at a competitive price point in the budget segment.

Buying Tips

Best Time to Buy: Best pricing often occurs during major retail events like Prime Day, Black Friday, or back-to-school season when shipping supplies see increased demand.

Deal Indicators: Look for Subscribe & Save discounts, coupon clip offers, or multi-pack bundles for better per-unit pricing.

Watch For: Watch for inflated 'list prices' that create false discount impressions; compare actual selling price to similar products rather than claimed original prices.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Feb 1, 2026

Understanding This Analysis

What does Grade D mean?

This product has significant review authenticity issues. Many reviews show patterns consistent with fake or incentivized reviews. Exercise caution.

Adjusted Rating Explained

The adjusted rating (4.88 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 (4.92 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.