WarehouseHawkDomestics
SERENITY COOLING MATTRESS TOPPER KING
Price & stock at Mt Prospect · Mount Prospect, IL
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$129.99
$169.99
In stock
Instant Savings
Save $40.00 (24% off)
Ends Jul 19
Checked 10 hours ago.
Not sold on Costco.com
Price history
at Mt Prospect · since Jun 23, 2026
Low$129.99Jul 7
High$169.99
Average$139.99
Show price changes
| When | Price | Stock |
|---|---|---|
| Jul 12, 2026 | $129.99 | In stock |
| Jul 10, 2026 | $129.99 | Low stock |
| Jul 7, 2026 | $129.99 | In stock |
| Jun 23, 2026 | $169.99 | In stock |
Prices at other warehouses
This is the lowest price we've tracked, $129.99.
$130.19 average
$169.99 high at Mesa
across 599 priced warehouses
| Warehouse | Price | Stock | Updated | |
|---|---|---|---|---|
| Mt Prospect · Mount Prospect, IL this page | $129.99 | In stock | 10 hours ago | |
| Dallas, TX | $129.99 | In stock | 1 day ago | Show |
| New Braunfels, TX | $129.99 | In stock | 1 day ago | Show |
| Selma, TX | $129.99 | In stock | 5 hours ago | Show |
| Kyle, TX | $129.99 | In stock | 1 day ago | Show |
| Sonterra Park · San Antonio, TX | $129.99 | In stock | 12 hours ago | Show |
| NW San Antonio · San Antonio, TX | $129.99 | Low stock | 13 hours ago | Show |
| Mesa, AZ | $169.99 +$40.00 | Low stock | 3 weeks ago | Show |
Look up another warehouse search any Costco by ZIP or city
Product details
- Cooling Tempur Material
- Memory Foam
- Soft, Breathable Cover
- 80in x 76in King Size
- Machine Washable Cover.
Details come from Costco and can change, so confirm specifics with the manufacturer.