Rank #7 in Best Mattress Topper 2026: What 10cm Really Means
Niagara Sleep Solution Mattress Topper Double Bed, Cloud-Like Bamboo Viscose
Price and rating as shown on Amazon when we collected them. Both change.
The Niagara has the largest sample of ratings in this entire ranking: 28,897 of them, averaging 4.3 stars. No other topper here comes close to that evidence base, and it costs £28.99 with a bamboo viscose surface and a deep fitted skirt.
It is seventh because of the weight column. At 2.99kg it carries the least filling of any 10cm-class topper here, less than the MightySoft and Jennifer at the same money. It is also the listing whose language travels worst: the bullets call it a queen topper three times, which is not a UK mattress size, describe mattress depth in inches, and ask buyers to leave it for three days to plump up. Read the table, not the badges.
How those 28,897 ratings break down
An average hides its own shape. This is the spread behind the 4.3 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Stated thickness | 10 cm class |
|---|---|
| Item weight as listed | 2.99 kg |
| Price per kg of filling | £9.70 |
| Surface | 60% polyester, 40% bamboo viscose |
| Size naming | 135x190cm, called a queen in the bullets |
| Ratings | 28,897 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“My son says it is like sleeping in a cloud and he has had amazing night sleeps since”
Verified purchase“Fits well and made bed much more comfortable.Leave for the recommended 3 days to plump up.”
What it is up against
The rivals it was ranked against in Best Mattress Topper 2026: What 10cm Really Means.
Rank #1
BONNVIA 7cm Memory Foam Mattress Topper Double with Bamboo Fibre Cover
£79.99
Rank #2
Bacalar 7cm Memory Foam Mattress Topper Double, 7-Zone Support
£82.99
Rank #3
BEDLORE Mattress Topper Double Bed, Viscose Derived from Bamboo
£48.99
Rank #4
MightySoft 10cm Extra Deep Quilted Microfiber Mattress Topper Double
£26.99
Questions people ask
Why does the listing say queen?
The bullets call it a queen topper, which is a US size. The listed measurement is 135x190cm, which is a UK double.
How much filling does it have?
The item weight is listed as 2.99kg, the least of the 10cm-class toppers in this ranking.
Is it thick?
The listing does not state a depth; buyers say to leave it for three days to plump up before judging it.
Will it fit my mattress?
It uses a deep fitted skirt and the listing says it suits mattresses from 8 to 20 inches, which covers most UK beds.
Is the rating count for this size?
The same 28,897 ratings appear on its other sizes, so the number describes the product family rather than this specific variant.
How many ratings does it have?
28,897 at the time of collection, averaging 4.3 stars, with 69 per cent five-star and 6 per cent one-star.
Comments
Reader comments are not checked against the manufacturer's claims above.
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