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Did Post Cocoa Pebbles shrink?

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Barcode (EAN/UPC): 884912129659 · EAN-13 0884912129659 · Look up another barcode · Brand: Post

Size Facts
Did it shrink?No
Net wt. (latest)
15 oz
Metric: 425.2 g
Price$5.99
Unit price$1.41 / 100 g
Checks16

Size has stayed 425.2 g across 16 checks since 2026-10-20.

Compare this unit price with another pack →

A “No” here is not proof it never shrank. Our daily checks began on 2026-10-20; a cut before that shows up on ShrinkRadar only once a source documents both the old and the new size. Documented Post cases are listed below. Have an older pack? Submit a sighting →

Size history

CheckedNet wt.PriceUnit price
2026-11-0515 oz$5.99$1.41/100 g
2026-11-0315 oz$5.99$1.41/100 g
2026-11-0215 oz$5.99$1.41/100 g
2026-11-0115 oz$5.99$1.41/100 g
2026-10-3115 oz$5.99$1.41/100 g
2026-10-3015 oz$5.99$1.41/100 g
2026-10-2915 oz$5.99$1.41/100 g
2026-10-2815 oz$5.99$1.41/100 g
2026-10-2715 oz$5.99$1.41/100 g
2026-10-2615 oz$5.99$1.41/100 g
2026-10-2515 oz$5.99$1.41/100 g
2026-10-2415 oz$5.99$1.41/100 g
2026-10-2315 oz$5.99$1.41/100 g
2026-10-2215 oz$5.99$1.41/100 g
2026-10-2115 oz$5.99$1.41/100 g
2026-10-2015 oz$5.99$1.41/100 g

size source · price source

Topic guide: cereal shrinkflation, every documented case in one place, brand by brand.

Documented Post shrinks

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