Rankquant
MethodologyAbout

Health, Household & Baby

Medela Spare Parts for Breast Milk Bottles, Extra Caps, Lids, Collars, and Discs, Includes Convenient Mesh Bag for Easy Washing, Bottle Spare Parts Made Without BPA

Health, Household & Baby4.6· 15,253 Amazon ratings

Bias-adjusted across 15,253 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Health, Household & Baby.

93.6%
Percentile · Global
88.5%
Percentile · Cohort
Health, Household & Baby
View on Amazon

Amazon Associates link · as an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Medela Spare Parts for Breast Milk Bottles, Extra Caps, Lids, Collars, and Discs, Includes Convenient Mesh Bag for Easy Washing, Bottle Spare Parts Made Without BPA

How the score was built

Amazon ratings
15,253

used for the Bayesian percentile

Raw star average
4.6 / 5

unadjusted Amazon mean

Bayesian avg
4.60

raw rating shrunk to the category prior

Reviewer-graph z
0.707

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

Buy it: View on Amazon →

Same category · Health, Household & Baby

Similar products