Did Post Great Grains Blueberry Morning 382 g shrink?
Get an email when it changes: size cuts and per-unit price rises. Plus, $5/month or $48/year.
Barcode (EAN/UPC): 884912102102 · EAN-13 0884912102102 · Look up another barcode · Brand: Post
Size has stayed 382 g across 7 checks since 2026-10-29.
A “No” here is not proof it never shrank. Our daily checks began on 2026-10-29; 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
| Checked | Net wt. | Price |
|---|---|---|
| 2026-11-05 | 382 g | — |
| 2026-11-03 | 382 g | — |
| 2026-11-02 | 382 g | — |
| 2026-11-01 | 382 g | — |
| 2026-10-31 | 382 g | — |
| 2026-10-30 | 382 g | — |
| 2026-10-29 | 382 g | — |
Topic guide: cereal shrinkflation, every documented case in one place, brand by brand.
Documented Post shrinks
- Breakfast Cereals · 2025
Post Premier Protein cereal
11 → 9 oz−18.2%
United States · Source: mouseprint.org - Breakfast Cereals · 2022
Post Honey Bunches of Oats
14.5 → 12 oz−17.2%
United States · Source: mouseprint.org - Breakfast Cereals · 2022
Post Cocoa Pebbles cereal box
20.05 → 19.5 oz−2.7%
United States · Source: talkbusiness.net
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