Serta Down Illusion Pillowtop Mattress Topper Queen
- Queen size, pull-on stretch fit
- Two-inch pillowtop, soft firmness
- Down alternative fill, hypoallergenic
- 300 thread count polyester microfiber
- 8.5 lb topper weight
- Machine washable, not water resistant
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A soft, washable layer that adds cushioning and an allergen barrier weave to a queen bed. It adds plushness but no support correction, and the pocket depth is not listed.
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ASIN: B098RJL51BCategory: Mattress Toppers
Sizes Available
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Overview
Stretching over the mattress like a fitted sheet, the Serta Down Illusion topper adds a fluffy down alternative layer on top of the existing bed. Its stretch fit grips the mattress so the pad does not slide during sleep, and the fill needs time after unpacking to reach full loft.
Softening a firm mattress with a washable fiber layer, rather than foam, is the case for this topper. It will not correct a sagging mattress, and it offers no water resistance, so spills still reach the bed.
Who it's for
Suited to people with allergies or a firm guest bed who want extra plushness they can wash at home. Parents needing a waterproof layer, or sleepers wanting contouring foam, should look elsewhere.
Pros and cons
- Soft down alternative fill, no feathers
- Stretch fit grips the mattress
- Machine washable at home
- Allergen barrier weave against dust mites
- Not water resistant, spills pass through
- Pocket depth not listed
- Adds softness, not firm support
- Needs time to fluff after unpacking
Performance notes
Comfort comes from the loft of the polyester fiber fill, which compresses under body weight and recovers when shaken out. Fiber fill flattens where you lie most, so shaking it out and washing restores loft. The stretch fit decides whether it shifts, and that depends on mattress height, which the listing does not give.
Specifications
| Brand | Serta |
|---|---|
| Dimensions & fit | |
| Size | Queen |
| Item weight | 8.5 pounds |
| Construction & materials | |
| Material Type | Polyester Microfiber |
| Color | White |
| Fabric Type | 100% Polyester |
| Included components | |
| Included Components | 1 Mattress Topper |
| Other details | |
| Item Firmness Description | Soft |
| Water Resistance Level | Not Water Resistant |
| Closure Type | Pull On |
| Thread count | 300 |
| Product Care Instructions | Machine Wash |
| Other Special Features of the Product | Hypoallergenic, Secure Fit |
| Item Type Name | Pillow Top Mattress Topper |
Frequently asked questions
Will the Serta Down Illusion queen topper fit a deep mattress?
Serta says it stretches to grip any mattress, but no pocket depth is given. Measure your mattress height and confirm with the seller before ordering for an extra deep bed.
How long does the Serta Down Illusion topper take to fluff up?
Serta says to allow 24 to 48 hours after unpacking for the fill to reach full fluffiness.
Is the Serta Down Illusion topper made with real down?
No. It uses a down alternative fill with a polyester microfiber fabric, so it suits people avoiding feathers.
Does the Serta Down Illusion topper protect against spills?
No. It is listed as not water resistant. Pair it with a waterproof protector if spills are a concern.