What percentage of reviews are fake for this product?

28.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

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

How many reviews were analyzed?

15 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 2.50 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.

Marvelux 36" x 48" Heavy Duty Polycarbonate Office Chair Mat with Lip for Carpets, Clear Carpet Protector Mat for Medium Pile Carpeted Floors Under Office Desks, Shipped Flat

Name: Marvelux 36" x 48" Heavy Duty Polycarbonate Office Chair Mat with Lip for Carpets, Clear Carpet Protector Mat for Medium Pile Carpeted Floors Under Office Desks, Shipped Flat
Brand: Amazon
SKU: B01N9USD97
Availability: InStock
Rating: 2.5 (15 reviews)

ASIN: B01N9USD97

Analysis Date: Nov 15, 2025 (re-analyzed Nov 15, 2025)

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Review Analysis Results

Authenticity Grade

28.00%

Fake Reviews

2.87

Original Rating

2.50

Adjusted Rating

Analysis Summary

The reviews show a mixed but mostly authentic pattern with some concerning elements. Positive aspects include: detailed long-term usage reports (3+ years), specific product complaints with clear reasoning, and varied writing styles. Concerning elements: one duplicate review (R7DQ91820HEAN appears twice with identical text), some reviews with overly enthusiastic language, and a polarized rating distribution (multiple 1-star and 5-star reviews). The reviews demonstrate genuine product experience with consistent complaints about cracking over time and sharp edges, suggesting real customer experiences. The duplicate review and some overly promotional language in 5-star reviews raise the fake percentage to the moderate range, but the majority appear legitimate.

Review Statistics

1,700

Total Reviews on Amazon

-0.37

Rating Difference

Price Analysis

This product's very low rating (2.87/5) suggests significant quality concerns despite its budget positioning. Given the risk, only consider if the price is substantially below typical alternatives ($40-$120 range) and you're willing to accept potential durability issues. For most buyers, spending slightly more on a better-rated chair mat would likely provide better long-term value.

MSRP Assessment

Estimated MSRP: Unknown

Source: Unable to determine

Amazon Price: Unable to compare

Market Position

Positioning: Budget

Alternatives Range: $40-$120

Value: This appears to be a budget option with concerning quality given the low 2.87/5 rating despite 1700 reviews, suggesting potential durability or performance issues compared to better-rated alternatives.

Buying Tips

Best Time to Buy: Office furniture often sees discounts during back-to-school (July-August) and post-holiday (January) sales.

Deal Indicators: Look for prices below $40, free shipping, bundled with chair accessories, or discounts from competing retailers like Staples or Office Depot.

Watch For: Extremely low rating for this review volume indicates consistent quality problems; be wary of any price that doesn't reflect this risk.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 1, 2025

Understanding This Analysis

What does Grade C mean?

This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.

Adjusted Rating Explained

The adjusted rating (2.50 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 (2.87 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.