1 / 7delka 8520 King Mattress Topper
The delka 8520 mattress topper is listed in King size with a soft feel and a memory-foam material description. The listing also claims washable, breathable and hypoallergenic features, while customer feedback is mixed on whether its thickness matches expectations.
At a glance
- Listed as a soft King-size mattress topper in white.
- The listing describes its material as memory foam and claims it is breathable, hypoallergenic, non-slip and washable.
- Product copy claims deep elastic corner straps for a more secure fit.
- Customer feedback reports comfort and softness, but opinions differ on the topper's thickness.
Reference price: £27.59
Price checked: 14 Nov 2026
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Pros and cons
Pros
- Machine-wash care is listed, which may suit buyers wanting a topper they can wash.
- The claimed elastic corner straps are intended to help keep the topper in place.
- Customer feedback describes the topper as comfortable and soft, with some users reporting improved sleep quality.
Technical specifications
10 specifications| Brand | delka |
|---|---|
| Model | 8520 |
| Size | King |
| Colour | White |
| Firmness | Soft |
| Material listed | memory Foam |
|---|---|
| Water resistance listed | Water Repellent |
| Listed features | Breathable, Hypoallergenic, Non Slip, Washable |
| Care instructions | Machine Wash |
|---|---|
| Closure type | Hook and Loop |
What to know before buying
Listing details to confirm
The listing identifies the material as memory foam but also describes the filling as hollow fibre or memory foam depending on SKU. It gives no thickness measurement, despite calling the topper extra thick, and customer feedback is mixed on thickness. Confirm the selected variant's filling and dimensions before buying. Its back-support and pressure-relief statements are product claims, not established outcomes.
Who is it for?
A good fit for
- King-size bed owners seeking a softer layer over their mattress.
- Buyers who prioritise claimed machine-wash care and corner straps.
- People wanting a comfort layer and willing to confirm the selected variant's fill and thickness.
Less suited to
- Buyers who need a confirmed thickness or a specific filling material without checking the chosen listing variant.
- Anyone relying on a topper as a guaranteed treatment for back pain.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
10% 10% - 3 stars
5% 5% - 2 stars
4% 4% - 1 star
10% 10%
Customer feedback highlights comfort, softness, fit and improved sleep quality, with some buyers saying it offered an alternative to replacing a mattress. The reported thickness experience is mixed. That matters because the listing provides no thickness measurement, so buyers who need a particular depth should confirm it before ordering.
Positive themes
- Customers report that the topper feels comfortable and soft.
- Some customers report a good fit and improved sleep quality.
Mixed feedback
- Feedback differs on thickness, with some finding it adequate and others saying it is less thick than advertised.
Frequently asked questions
What size is the delka 8520 topper?
The listing specifies King size. It does not provide bed or topper dimensions, so check measurements against your mattress before ordering.
What is the topper filled with?
The details list memory foam, while the feature copy says the filling may be hollow fibre or memory foam depending on SKU. Confirm the selected variant before purchase.
Can it be machine washed?
Machine Wash is listed as the care instruction, and the feature copy describes the topper as machine washable.
How thick is the topper?
No thickness measurement is supplied. The listing calls it extra thick, but customer feedback is mixed on whether its thickness meets expectations.
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