Mlily Deluxe 4000 Review
Four thousand springs in the Deluxe collection, which sits at the same count as models in other Mlily ranges.
I earn a commission if you buy through some links on this page. It never changes what I recommend, and I publish negative verdicts on brands I earn from. Editorial independence.
Verdict
Four thousand springs in the Deluxe collection, which sits at the same count as models in other Mlily ranges. At this level the collection name matters less than the comfort layer, and the comparison worth making is against the Premier and Supreme models at similar counts.
Buy it if
You want a high spring count with a plush-leaning feel and you have compared the comfort layers across collections.
Avoid it if
You want firm support. Above 2,000 springs you are buying contouring rather than strength.
See the current Mlily offer
Mlily sells direct and through UK retailers. Compare both, because prices differ.
No code needed. The discount is applied automatically at checkout. Opening the site in a new tab.
Mlily on Amazon UK
Widely listed here, and the price often differs from direct.
No code needed. Prices on Amazon change frequently, so check the seller and the returns terms before you buy. Opening in a new tab.
| Specification | Detail |
|---|---|
| Type | Pocket sprung |
| Springs | 4,000 in a king size |
| Comparable within Mlily | Premier and Supreme models at similar counts |
| What to compare | Comfort layer depth, material and stated firmness |
| What not to compare | Collection names, which describe trim more than construction |
The scores
A well specified mattress where the collection name is the least useful information.
Competitive for the count, and the count is not the point at this level.
Fine contouring. Individual spring strength is lower than at 2,000.
A dense spring layer moves air well.
Not specifically reinforced.
Four thousand pocketed springs damp movement very well.
Varies by seller. Check before ordering.
Decoding the range
The number is the spring count, except in the foam ranges
In Mlily's Gel, Deluxe, Premier, Supreme and Haluna collections, the number in the model name is the spring count in a king size. A double has fewer and a single fewer still, because spring density stays roughly constant while the area shrinks.
In the Memory and Memory Gel collections there are no springs at all and the number is a tier marker. That is the one place buyers get caught out.
Comparing across collections at the same count
Mlily carries similar spring counts across Deluxe, Premier and Supreme, which raises the question of what separates them.
The honest answer is depth, comfort layer construction and cover, and those are rarely documented clearly. So the method is the same as within any collection:
Compare three numbers and ignore the names. Depth, spring count, firmness. If two mattresses match on all three, the difference is the cover and you should buy the cheaper one. If they differ on depth, that is a load specification rather than a quality one: a lighter sleeper never reaches the lower layers of a deeper mattress.
This applies to every large range on this site, not just Mlily. Creating apparent choice costs less than creating actual differentiation.
What 4,000 springs is for
Past about 2,000 springs in a king, manufacturers increase the count using thinner gauge wire in smaller units. You gain finer contouring and better motion isolation; you lose individual spring strength.
That trade suits a plush or medium surface, where you sink and need each small region to respond independently. It does considerably less on a firm mattress where you barely compress the surface.
So the question is not whether 4,000 is better than 2,000. It is whether you want contouring or strength, and a heavier sleeper wants the second.
A correction worth making
Commonly repeated, and wrong
Mattress ranges carry similar spring counts across several collections with the differences undocumented, which encourages buyers to choose on collection name. Depth, spring count and firmness are the three figures that describe a mattress. Where two models match on all three, the difference is the cover and trim. Where they differ on depth, that is a load specification matched to body weight rather than a quality tier.
Should you buy it?
Yes if you want a high spring count and a plush-leaning feel, having compared the comfort layers rather than the collection names.
If support is what you want, the Premier 2000 with fewer, stronger springs is the better mattress and costs less.
Questions people ask
How do I compare mattresses across collections?
Compare three numbers and ignore the names: depth, spring count and firmness. If two match on all three, the difference is the cover and you should buy the cheaper one. If they differ on depth, that is a load specification matched to body weight.
What is 4,000 springs good for?
Contouring and motion isolation on a plush or medium surface, where you sink and need each region to respond independently. It does considerably less on a firm mattress where you barely compress the surface.