Four Seasons Essentials Twin Size Waterproof Mattress Protector - Cooling Viscose derived from Fitted Sheet Mattress Cover
Amazon · Home & Living
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DDD Buy Intelligence
24% below its 90-day average ($23.58); at the lowest price we've recorded (Sep 15); 4.6★ across 1,482 reviews.
✓ DDD VerifiedVerified 24 minutes ago
- Price checked
- Seller checked
- Historical comparison completed
- Product information matched
- Availability checked
- Discount claim analyzed
- Current price
- $17.99
- Typical price (90-day avg)
- $23.58
- 30-day average
- $23.58
- 1-year average
- $23.58
- Lowest recorded
- $17.99 · Sep 15, 2026
- Highest recorded
- $24.99
- Product rating
- 4.6★ · 1,482 reviews
- Seller
- Amazon marketplace listing
- Availability
- out of stock 51% of the last 30 days
24% belowDDD True Discount — vs. its 90-day/30-day average
Why this score
| Factor | Points | Evidence |
|---|---|---|
| Historical price | 21.4/25 | 24% below its 90-day average ($23.58) |
| True discount | 19/20 | 24% off its typical price |
| Lowest-price proximity | 15/15 | at the lowest price we've recorded (Sep 15) |
| Product quality | 13.2/15 | 4.6★ across 1,482 reviews |
| Seller trust | 9/10 | Amazon marketplace listing |
| Competitor price | —/5 | No other retailers tracked yet |
| Community | —/5 | No community votes yet |
| Availability | 1/5 | out of stock 51% of the last 30 days |
High confidence: this score is based on 6 of 8 evidence types (90% of the maximum weight). Missing: competitor price, community. How Deal Score works
Price historyreal data · 3 points
high $24.99
low $17.99 (Sep 15)avg $20.32now $17.99
Price tracked via Keepa's Amazon price-history data; price and availability are set by Amazon and can change.
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