Sealy Posturepedic Plus Prosser Hills 12" Firm Queen Mattress
Item #1900482 · Home & FurnitureNext expected Jan 3 – Feb 14, 2027
The short versionLikely pattern
Goes on sale about every 6 months. Typically $170 off. Next expected Jan 3 – Feb 14, 2027.
Seen on sale 3 times. Best price seen: $599.99.
Sale timeline
● sale (height = discount)○ unsure reading┆ today▮ predicted window
Full history
| Dates | Discount | Sale price | Source |
|---|---|---|---|
| Jul 27 – Aug 23, 2026 | $150 off | $599.99 | Costco August 2026 |
| Mar 2–29, 2026 | $200 off | $599.99 | Costco March 2026 |
| Jul 30 – Aug 24, 2025 | $170 off | $629.99 | Costco August 2025 |