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Office & Industrial

Vegan Leather Portfolio Binder, 3 Ring Binder Padfolio, Brown Leather Binder Portfolio with Zipper, Handmade Portfolio Oranizer, Personalized Portfolio Folder for Lefty & Righty (Brown, Non-Custom)

Office & Industrial4.4· 7,801 Amazon ratings

Bias-adjusted across 7,801 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Office & Industrial.

73.7%
Percentile · Global
60.3%
Percentile · Cohort
Office & Industrial
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Vegan Leather Portfolio Binder, 3 Ring Binder Padfolio, Brown Leather Binder Portfolio with Zipper, Handmade Portfolio Oranizer, Personalized Portfolio Folder for Lefty & Righty (Brown, Non-Custom)

How the score was built

Amazon ratings
7,801

used for the Bayesian percentile

Raw star average
4.4 / 5

unadjusted Amazon mean

Bayesian avg
4.40

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Office & Industrial

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