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Mama Bear size 1 vs size 2: sizing-up cost

What it costs to move from Mama Bear size 1 to size 2, using the lowest $ per diaper we have for each size.

Moving from size 1 to size 2 in Mama Bear will cost you $0.03 more per diaper. At 8 diapers a day, that is $7.20 more per month.

Compares the cheapest Mama Bear listing we have at each size. Daily use is a typical average for size 2.

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