King Single Mattress Crazy Firm

Crazy Firm mattress is the firmest mattress we make at Mattress Island.
To our standard, it is 9.5 out of 10 in terms of firmness. 
Made with the highest possible density and the firmest foam available in Australia. 
3 super extra firm foam layers.
18 mm of high-quality MDF (Material used for kitchen benchtop)
It is crazy firm and designed to keep this level of firmness for a very long period of time. 
Polyester free (a very common and toxic component in the industry
Purify anti-microbial license. 
Australian made from Australian materials.
Approximately 22cm thickness.
Detailed quilted knit cover for breathability.
Allergan and dust mite resistant.
Up to 10 years Warranty.