1 / 7Serta ComfortSure Twin XL Quilted Cotton Mattress Pad
The Serta ComfortSure is a Twin XL quilted mattress pad with a cotton top, down-alternative polyester fill, and an elastic skirt. Its 18-inch pocket and machine-washable care suit shoppers seeking a soft added layer, though customer feedback raises a durability concern.
At a glance
- Quilted pillowtop construction adds a cushioned layer over the mattress.
- An 18-inch elastic pocket is designed to help the pad stay in place.
- The listing specifies separate cold gentle-cycle washing and low-heat tumble drying.
Reference price: $36.18
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Cotton fabric with down-alternative polyester fill provides a soft, quilted layer.
- The deep elastic skirt is designed for a snug fit, and customers report that it stays put, including during sheet changes.
- Machine-washable care is specified, with detailed wash and drying instructions.
Cons
- It is not water resistant, so it is not a spill barrier.
- Customer feedback reports instances of the top fabric tearing within 60 days, raising a durability concern.
Technical specifications
15 specifications| Brand | Serta |
|---|---|
| Model | ComfortSure |
| Size | Twin XL |
|---|---|
| Listed dimensions | 39” x 80” |
| Weight listed | 3.1 pounds |
| Closure type | Pull On |
| Material listed | Cotton |
|---|---|
| Top fabric and fill described | 100% cotton dobby check with polyester fill |
| Thread count | 300 |
| Fill weight | 63gsm polyester fill |
| Water resistance listed | Not Water Resistant |
| Care instructions | Machine wash separately in a cold, gentle cycle. Only non-chlorine bleach when needed. Tumble dry on low. Do not iron. Use large front loading washer and dryer |
| Special features | Deep Pocket, Elastic Skirt, Non Slip, Pillow Top |
|---|---|
| Firmness description | Soft |
| Color | White |
What to know before buying
Listing details to confirm
The listing describes the top as 100% cotton and also lists cotton fabric, while customers report mixed impressions of the material and some say it does not seem fully cotton. Treat the fabric description as a listing claim. Customer reports of tearing are a durability concern, not a confirmed defect for every pad.
What’s in the box
Included- 1 x Mattress Cover
Who is it for?
A good fit for
- Twin XL beds where a soft, quilted layer and an elastic deep-pocket fit are wanted.
- Buyers who can follow the specified cold gentle wash and low tumble-dry instructions.
Less suited to
- Anyone needing waterproof or water-resistant mattress protection.
- Shoppers prioritizing proven long-term durability over added cushioning and easy-care claims.

Customer reviews on Amazon
- 5 stars
73% 73% - 4 stars
15% 15% - 3 stars
6% 6% - 2 stars
1% 1% - 1 star
5% 5%
Customer feedback highlights fit, cushioning and staying in place, including reports that the pad accommodated a 16-inch-deep mattress without shifting. For buyers considering the listed 18-inch pocket, that feedback is relevant but does not guarantee fit on every mattress. Opinions on the material are mixed, and reports of top fabric tearing within 60 days make durability worth weighing against the comfort and washable-care claims.
Positive themes
- Customers praise the fit and cushioning.
- Customers report that the pad stays in place, including while changing sheets.
Negative themes
- Some customers report that the top fabric tore within 60 days.
Mixed feedback
- Material feedback is mixed, with some customers praising the fabric and others questioning whether it is fully cotton.
Frequently asked questions
Will this fit a Twin XL mattress?
The listing identifies it as Twin XL and gives dimensions of 39” x 80”. It also describes an 18-inch elastic pocket. Check your mattress dimensions and depth against those details.
Does the pad protect against spills?
No. The listing specifies that it is not water resistant, so it should not be treated as a spill-proof protector.
How should it be washed?
The instructions say to wash it separately on a cold, gentle cycle, use only non-chlorine bleach if needed, tumble dry on low, and not iron. A large front-loading washer and dryer are specified.
What materials are listed?
The listing describes a 100% cotton dobby-check top with polyester fill. Customer feedback is mixed about the material, so the fabric description is best understood as the listing's claim.

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