# delka 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.

- [Original product page](https://bargainpostbox.co.uk/product/delka-8520-king-mattress-topper)
- [View offer](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: delka
- Model: 8520
- Category: Home & Kitchen > Home Textiles > Bedding
- Price: 21.79 GBP
- Previous price: 27.59 GBP
- Discount: 21%
- Price checked: 2026-11-14T19:35:51.921Z
- Rating: 4.2 / 5
- Reviews: 271

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## Specifications

### Identity
- Brand: delka
- Model: 8520
- Size: King
- Colour: White
- Firmness: Soft
### Materials and protection
- Material listed: memory Foam
- Water resistance listed: Water Repellent
- Listed features: Breathable, Hypoallergenic, Non Slip, Washable
### Care and construction
- Care instructions: Machine Wash
- Closure type: Hook and Loop

## Before you buy

- 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.

## 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 feedback

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.
- Positive themes: 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.

## Alternative options

- [CloudTopper Mattress Topper 10cm Extra Thick - Luxury Hotel Quality Topper \| Luxury Cloud Soft Bed Topper, Hypoallergenic & Breathable - Machine Washable Microfibre Mattress Pad for King Size Beds](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [Silentnight Impress Memory Foam Mattress Topper - 5cm Deep Luxury Orthopaedic Pressure Relief Hypoallergenic Bed Topper for Back & Neck Pain - Elasticated Straps & Machine Washable Cover, Single](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [HOMESCAPES Goose Feather Mattress Topper Kingsize Bed, 7cm Thick Extra Deep, Breathable, 100% Cotton Cover, Hypoallergenic, Quilted, Elasticated Straps, Hotel Quality, Ethical Luxury, Washable](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [Mattress Topper Cloud-Like Comfort - Ultra-Soft, Breathable, and Cooling Pad Viscose made from bamboo Protection - 150x200cm, Deep Fit](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
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- [Comfyflex Memory Foam Mattress Topper with Zip Cover \| High-Density Orthopedic Pressure Relief Topper \| Non-Slip Backing & Secure Elastic Straps \| Ultra-Soft Comfort \(3ft Single - 5cm Depth\)](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [BEDLORE Mattress Topper Kingsize Bed,2-in-1 Dual Layer Design Mattress Pad \| Breathable, Deep Pocket, Bamboo Fabric, Memory Foam OEKO-TEX, Pressure Relief, Machine Washable](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [Silentnight Deep Sleep Mattress Topper, 10cm Extra Deep, Double, 135x190cm \| Supportive Cushioned Comfort, Luxury Fibadown™ Fibres, Box-Stitched Edge, Elastic Straps, Hypoallergenic, Machine Washable](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)
- [Lakhmaali Hotel Quality Mattress Topper Kingsize Bed Quilted Extra Thick \| King Size Mattress Toppers, Hypoallergenic Hollow Fibre, 4 Elastic Straps, Box Stitched, Deep Filled, Breathable Soft, White](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)

## Add-ons

- [Comfy Nights Pillow 4 Pack Hotel Quality Stripe Bed Pillows Hypoallergenic & Anti Dust Mite Resistant Firm Support Side Sleeper Bounce Back Pillow \(Pack of 4\)](https://bargainpostbox.co.uk/visit/delka-8520-king-mattress-topper)

## Images

![delka 8520 King Mattress Topper — 1](https://bargainpostbox.co.uk/i/2zLSKWcwqt78o-eTQOEDyS1apj0A4K_Kg4-Z9KdsGftQ3gHP3mNQ7aoWZBbcfpeXM_A0DkVRmwsVzJUCCT2nE3OIWdNasF1eaTwa37IEKlfIaWHGgYgCdadJ.jpg)

![delka 8520 King Mattress Topper — 2](https://bargainpostbox.co.uk/i/oK7V1KqR1NTHHDHwGOkjuzJh_wz-V3HgZdaurisFHHUc-f1xKNBAJDtqru8vjtsIJ5X5a4-MKyr6mVkRLFKCwaMj5WuKvSZWnIUIy8Pf6HKV3uU4ZsTn-t-3.jpg)

![delka 8520 King Mattress Topper — 3](https://bargainpostbox.co.uk/i/0J1homI7woUIr7ukm5NOxsfaoadNyq6j6GY7Ulph3XhpvxmQaCDXMBgfNQ_000neLhjCMrN5qEad1dz0pvSyb8a7vgygEB4Ys1Mp3gR_Oe5jL57VDN8luvlb.jpg)

![delka 8520 King Mattress Topper — 4](https://bargainpostbox.co.uk/i/WfxdDs54dY1ou6Kn4dOrS_d45NU5CKoLUgnOnLrccS5-7_Ej1HtyKtJOXx-JjlvCKwn6Z3__65uLTHRgj-HKh-wGF8epABjzGY_5U86gcrGaNk0-32QVoBv6.jpg)

![delka 8520 King Mattress Topper — 5](https://bargainpostbox.co.uk/i/2n95EpGxkn93b6zBwD1UWzQyl0uZnPi0Ps2ospGp2DzT_T0zsuCartpjs57t2yLUmjWxLeyk80k57gxfFokF0wmvFaUYXiU55YHTilHxzgCO8Mu0GXe4Oggl.jpg)

![delka 8520 King Mattress Topper — 6](https://bargainpostbox.co.uk/i/ATWEu1bF9A38kfJFiK8_V4N4aipNne-rp9En0bVfuY2s_vMIO6rpO3B7q6uT9OwCcO3SURrZukuoR3pgxxAG57D3sdzCw3jGo35xTCgrwoFjWm7xYahZUO69.jpg)

![delka 8520 King Mattress Topper — 7](https://bargainpostbox.co.uk/i/q80hoZK8kcVZtMNL3J7mYxB6V1Dx7GFotcHu3Pzj_e7iE5qwGJFXePDW2e9lTBAliWeuZ2QbZjaNAmlNRsq9nt1MfnSVF4b4-h6oAnQ20yK_AnOQ6J_CMpPG.jpg)