What to know about Serta (Olliix) Serta Waterproof Heated Mattress Pad (Queen, dual controller)
Why it stands out
Why we like it
It is sold as waterproof rather than merely water-resistant, and it is the one pick in the main group with a confirmed ETL listing.
What to know
Score breakdown
How credibly the design lowers magnetic-field exposure: low-voltage DC or battery power ranks highest, then manufacturer EMF-reduction wiring (e.g., Secure Comfort), then standard AC wiring. Claims without independent measurement are discounted.
Textile chemical safety (OEKO-TEX Standard 100 certificate shown for the exact model), fiber content, and any recall or chemical concerns.
UL/ETL listing, overheat protection, auto shut-off, CPSC recall history, controller durability and warranty.
Real warmth and evenness from hands-on tests, number of heat settings, timer range, and dual zones.
Softness, how much you feel the wires, weight/drape, and ease of machine washing.
Street price relative to EMF/material benefits, warmth, size and warranty.
Serta (Olliix) Serta Waterproof Heated Mattress Pad (Queen, dual controller) specs
Health & Safety
- EMF-Reduction Approach
- None specifically claimed for this pad
- Low-Voltage DC / Battery Power
- No
- Electrical Safety Listing
- ETL
Materials
- Fabric
- 80% polyester / 20% cotton (Bob Vila text says cotton blend), waterproof
Performance
- Heat Settings
- 10 settings
- Max Auto Shut-Off
- 12 hours
- Dual Controls (Queen/King)
- Yes
- Heating Method
- Electric wire (AC)
Size
- Sizes Available
- Twin, Twin XL, Full, Queen, King, Cal King
Care
- Machine Washable
- Yes
Support
- Warranty
- 5 years
Compare prices
Prices are checked periodically. Older amounts are labeled with their last verification date.
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| Walmart |
$134.99
Last verified Oct 27, 2026 — price may have changed |
Check at retailer | Check at retailer |
| AmazonLowest | $139.99 | In Stock | View deal |
Based on 3 retailer price observations captured during the last 90 days.