Mattresses
Compare King Size
King-size versions of popular mattresses.
3 providers · sorted by price, lowest first
Emma Comfort Protect (King)
The king-size Emma Comfort Protect measures 203 x 183 x 25cm. It is a hybrid of three foam layers over 5-zone pocket springs and is delivered vacuum-packed and rolled in a box.
Features
- King size: 203 x 183 x 25cm
- Ships rolled in a 114 x 46 x 46cm box
- 150-night trial
- 10-year warranty
Good to know
- Sizes run from single to king, with no super king
- Delivery to outer and regional areas costs a non-refundable $79 or $160
Visit site$909
King, sale price when checked. Listed RRP $1,669 (not verified as a past selling price)
Checked 4 October 2026
Koala Mattress (King)
The king-size Koala Mattress measures 203 x 183 x 25cm and weighs about 40kg. It is an all-foam mattress with Kloudcell comfort foam, three support zones and a flippable medium-firm/firm comfort layer.
Features
- King size: 203 x 183 x 25cm
- Flippable comfort layer for a medium-firm or firm feel
- 120-day trial
- 10-year mattress warranty
Good to know
- Free return pick-up is limited to major metro areas
- Regional delivery is charged per item
Visit site$1,192
King, sale price when checked. Listed RRP $1,490 (not verified as a past selling price)
Checked 4 October 2026
Sleeping Duck SD Mach II (King)
The king-size SD Mach II measures 203 x 183 x 31cm. It can be ordered half-half, with one side medium and the other firm, and each side can be adjusted separately later.
Features
- King size: 203 x 183 x 31cm
- Half-half firmness option for queen, king and super king
- Free firmness pad swaps during the 100-night guarantee
- 10-year limited mattress warranty
Good to know
- Each firmness should be tried for 21 nights before a further adjustment
- Warranty is void for any individual sleeper over 140kg
Visit site$1,999
King, list price
Checked 4 October 2026
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