4AS 4AMT5 Super King Microfibre Mattress Topper

The 4AS 4AMT5 Super King mattress topper is a soft, quilted microfibre layer with elastic corner straps and machine-washable care. Its listed size is 182x200cm, while another dimension entry conflicts with that size, so confirm the selected listing and fit before buying.

At a glance

Elasticated corner straps are intended to hold the topper in place on the mattress.
The listing describes the topper as soft and quilted, with breathable, hypoallergenic material.
Machine washing is specified. The care text says not to use bleach.

Price

£21.24Save 15%

Reference price: ~~£24.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Corner straps provide a simple fitting method and are described as helping limit movement.
Machine-washable care may suit buyers who want to clean the topper at home.
Microfibre construction and a soft feel are specified.

Cons

The listing states that it is not water resistant, so it should not be treated as a spill-protective layer.

Technical specifications

13 specifications

Identity
Brand	4AS
Model	4AMT5
Size	Super King
Colour	White

Materials and features
Material	100% Microfibre
Listed features	Breathable, Hypoallergenic, Quilted, Washable
Firmness description	Soft
Water resistance listed	Not Water Resistant

Dimensions and installation
Advertised dimensions	182x200cm
Item display dimensions	190 x 90 x 5 centimetres
Fastening	Elastic Straps
Weight listed	100 Grams

Care
Care instructions	Machine Wash

What to know before buying

Listing details to confirm

The dimensions are contradictory: the title and feature text give 182x200cm, but the item display dimensions say 190 x 90 x 5 centimetres. The weight listed as 100 Grams and the size description are also unconfirmed against the advertised dimensions. Confirm the exact variant's fit before purchase.

Who is it for?

A good fit for

Super King bed owners seeking a soft microfibre layer with elastic corner straps.
Buyers who prefer a topper that the listing says can be machine washed.

Less suited to

Anyone needing a water-resistant layer or a clearly confirmed set of dimensions before ordering.

4AS 4AMT5 Super King Microfibre Mattress Topper · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 24 ratings

5 stars61%61%
4 stars28%28%
3 stars5%5%
2 stars0%0%
1 star6%6%

Aggregate ratings lean positive, with many five-star ratings, but a smaller one-star share shows that experiences are not uniformly positive. With no customer comment summary available, the ratings cannot identify what buyers liked or disliked. They also do not resolve the conflicting dimensions, which matter when matching a Super King mattress.

Frequently asked questions

What size is this topper?

It is described as Super King and the title gives 182x200cm, but the item display dimensions say 190 x 90 x 5 centimetres. Confirm the dimensions for the selected listing before buying.

Can it be machine washed?

The listed care instruction is Machine Wash. The product text also says not to use bleach.

Does it protect against spills?

No such protection is claimed. Its water-resistance listing says Not Water Resistant.

How is it attached to the mattress?

The listing describes elastic straps at the corners for fitting and helping hold the topper in place.