The Ecosa King Single Mattress

The ecosa king single size mattress is ideal for taller children, teenagers, and adults who live in smaller spaces. Wider and longer than single; taller than a double!

This size easily accommodates growth spurts - making it a mattress for the long-term.

See the King Single Size Mattress See the Mattress


100 Night Trial

You have 100 nights to fall in love with the Ecosa. Not loving it? We’ll pick it up for free and give you a full refund.


Same-Day Delivery (Metro)

Get your mattress on the same day or arrange whenever you want it to arrive! Just choose the time and date of your delivery upon checkout.


15 Year Warranty

The Ecosa ages beautifully. The 15-Year limited warranty allows you to be with your mattress for a longer time.

King Single Mattress

King Single mattresses are a good choice for dormitories, studio apartments, and guest bedrooms.

It is especially useful when you're sizeable but don't have enough room for a double or queen mattress just yet.

You can still stick to your budget as this size falls well within an affordable price range.

King Single Mattress Dimensions and Specification

Width 107 cm
Length 203 cm
Height 25 cm
Mattress Construction
ECO-TEX Open Cell Foam help
G-7 Gel Memory Foam help
Ergonomic Support Foam help
Waterproof Inner Cover
Premium Polyester Removable Cover
Key Benefits
3-in-1 Adjustable Firmness help
Waterproof and Dust Mite-Proof
Fire-Resistant (Non-chemical)
Shipping Free Shipping
Returns Free Returns
Warranty 15 Years
Buy the Ecosa King Single Mattress now Buy Now

Not the size you're looking for?

There are a total of seven (7) sizes available for you. It gets tricky just looking at the dimensions, so check the image below to see how big or small each mattress size is when in comparison with one another.

There are total of seven (7) sizes available for you. Double check the dropdown list below to see if you got the size right.

One Mattress. Three Firmness Levels.

The ecosa King Single has an adjustable firmness feature. It caters to change-of-mind – especially for teens starting to think for themselves! An adjustable mattress lets them choose the firmness and comfort level they want. They can even keep experimenting with the layers!

medium firmness


For sleepers who like being 'hugged', the G-7 Memory Foam layer lets you sink a little while still providing optimum stability for your back.

medium-firm firmness

Medium Firm

Great for sleepers with chronic back pain, the ECO-tex layer contours to the body's shape and gives it a little bounce back.

firm firmness


Engineered for spine alignment, the ergonomic foam layer is springy yet dense enough to keep the back comfortable stable through the night.

medium firmness


For sleepers who like being 'hugged', the G-7 Memory Foam layer lets you sink a little while still providing optimum stability for your back.

This king single mattress is also ideal for...

Enjoying all the personal space for your tallness

Enjoying all the personal space for your tallness

Accommodating guests – short or tall

Accommodating guests – short or tall

Netflix & chillin’

Netflix & chillin’

Free Shipping & Returns

a moving box with free shipping No added or hidden costs to your mattress. We'll ship and pick it up free-of-charge.

Risk-Free Purchase

100 night trial 100-Night Trial & 15-Year Warranty. Don't love it for any reason? We'll pick it up and donate it to charity.

Same-Day Delivery

same day delivery in Australia Get your mattress within the same day in Melbourne, Sydney, Brisbane, Perth, and Adelaide!

Outstanding Customer Service

a conversation bubble Our Dream Team is available to answer any queries you may have Mon-Fri 9am-5pm AEDT.
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Which Single are you?

Single Small children, average-sized adults, tight spaces
Long Single Taller children and adults, tight spaces
King Single Bigger children and adults, relatively tight spaces

You’ll get a better answer by looking at the room size, age, and height of the person(s) who will be using the mattress.

I need a King Single, please! Buy Now

Frequently asked questions

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King of the Singles

A favourite amongst growing Aussies


Love our Ecosa

Happy Customer

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