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Mama Bear newborn vs size 1: sizing-up cost

What it costs to move from Mama Bear newborn to size 1, using the lowest $ per diaper we have for each size.

Moving from newborn to size 1 in Mama Bear will cost you $0.02 less per diaper. At 8 diapers a day, that is $4.80 less per month.

Compares the cheapest Mama Bear listing we have at each size. Daily use is a typical average for size 1.

Prices last pulled Sun Sep 13 2026. Amazon prices change; check the listing before you buy. We do not have Subscribe & Save prices.

Top newborn deals

Lowest $ per diaper in this group: $0.21 View cheapest newborn on Amazon →

Top size 1 deals

Lowest $ per diaper in this group: $0.19 View cheapest size 1 on Amazon →