Australian Made

Proudly made in our Australian Factory

10-Year Warranty

Covers you against faulty workmanship and materials

OEKO-TEX Certified

Certified safe fabric, free from harmful chemicals.

Opal Plush King Mattress

Name: Opal Plush King Mattress
Brand: Original Mattress Factory Australia
SKU: AUMATSOKGOPAXXX
Price: 2798.00 AUD
Availability: InStock

Opal Plush King Mattress

$2,798

$2,798 ~~$2,798~~

Sale Sold out

Taxes included. Shipping calculated at checkout.

Plush, cloud-like comfort with premium support and handcrafted Australian quality — designed for indulgent, restorative sleep.

Feel

Size

Availability

Available for Pre Order

Check Delivery Fees & Pickup Locations

YOUR NEAREST STORE

In Store

Available to try in-store

Free pickup available

Delivery

Available to order

Our team will call within 1 business day to book your delivery

View full details

The Opal Mattress is proudly Australian Made, delivering exceptional comfort and support with a premium sleep system designed for lasting performance.

The 5 Zone Pocket Spring System provides targeted support to promote optimal spinal alignment, while the Track Edge Support System enhances edge-to-edge stability and maximises the usable sleep surface. Available in Soft, Medium, and Ultra Firm feels, and in Double, Queen, and King sizes, the Opal Mattress is designed to help you wake up feeling refreshed, supported, and ready for the day ahead.

Feature	Benefit
Triple Soft Peel Foam Layers	Three layers of Soft Peel Foam provide progressive cushioning and enhanced comfort.
Gel Infused Visco Peel Foam	Cooling memory foam contours to the body while helping regulate sleep temperature.
Soft Convoluted Foam	Egg-crate profile improves airflow and creates a plush, pressure-relieving sleep surface.
5 Zone Pocket Spring System	Five targeted support zones help promote spinal alignment while individually wrapped pocket springs minimise partner disturbance.
Track Edge System	Provides superior edge support and keeps you sleeping flat without that rolling out feel.
Premium Quilted Construction	Fabric Layer, Polywool Fibre, Gusset Top Fabric, and Firm Sheet Foam combine for lasting comfort, breathability, and durability.
10-Year Warranty	Backed by a 10-year warranty for long-term peace of mind and confidence in quality.

Mattress Size	Dimensions (L × W × H)	Weight
Double	L 188 cm × W 137 cm × H 27 cm	38 kg
Queen	L 203 cm × W 153 cm × H 27 cm	42 kg
King	L 203 cm × W 183 cm × H 27 cm	47 kg

European Micro Tencel Stretch Knit Fabric

Experience unmatched softness and breathability with moisture-wicking Micro Tencel fabric, ensuring a cool and comfortable night’s rest.

Euro Top Design for Comfort and Breathability

The Euro Top layer offers an extra layer of plush comfort, enhancing airflow and providing a welcoming, cozy feel night after night.

HD Posturefil Small Wide Pocket Coils

Strategically placed beneath the upper quilt, these high-density pocket coils adapt to your body’s contours, delivering precise support and superior pressure relief.

Gel-Infused Visco Comfort Layer

Stay cool and supported with gel-infused memory foam, which conforms to your body and reduces pressure points while regulating temperature.

Natural Latex Comfort Layers

Durable, breathable, and eco-friendly, the natural latex layers provide resilient support and a luxuriously soft yet supportive sleeping surface.

5-Zone Spring Air® High Coil Count Pocket Springs

Constructed with up to 70% Australian Iron Ore, this high-coil-count spring system provides zoned support for optimal spinal alignment and minimizes motion transfer for uninterrupted sleep.

Full Foam Encasement for Edge-to-Edge Support

Enjoy consistent, edge-to-edge support that maximizes your sleeping area and prevents sagging, even over years of use.

Foam Comfort Layers

Layers of premium foam enhance the plush feel of the mattress, delivering cloud-like softness without compromising support.

Soft Comfort Feel

Perfect for those who prefer a luxurious, soft sleeping surface, the Newport offers a plush feel while maintaining essential support for spinal health.

Fabric Meets OEKO-TEX® Standard 100

Hypoallergenic and safe for sensitive skin, the Newport’s fabric guarantees a clean and healthy sleep surface.

Mattress Profile Height: 37cm

Dimensions: (L x W)

Queen: 203 × 153cm
King: 203 × 183cm
Super King: 203 × 203cm

Base sold separately.

Free In-Store Pickup:
Pick up your purchase from one of our 50+ stores across Australia. Once your order is ready, our team will contact you to arrange a convenient pickup time. Find your nearest store using the 'Find My Store' section above or click here.

Home Delivery:
Experience convenient delivery to your room of choice. Delivery fees start at $99 and vary depending on your location. Mattress unpacking and bed base assembly are included where applicable (leg attachment only).

Read our delivery policy here

If you’re not fully satisfied with your new mattress after giving it a fair try, you may exchange it for another comfort level or model within our range.

To be eligible for OMF’s 30-Night Comfort Guarantee, you must purchase a waterproof mattress protector along with your new mattress.

This guarantee is subject to the following terms:

You must sleep on your mattress for at least 14 nights before requesting an exchange.
Mattresses that are damaged or soiled (beyond fair wear and tear) will not be accepted.
The guarantee does not apply to floor/display models and special sizes.
If you choose a higher-priced mattress, you’ll need to pay the difference. No refunds or credits apply for lower-priced exchanges.
Only one exchange is permitted per purchase.
If a Comfort Exchange is approved, a standard fee of $95 will apply to cover administrative costs of this service. Additional delivery and/or collection fees may also apply.

For full details, learn more at our 30-Night Comfort Exchange page

The Opal Mattress is proudly Australian Made, delivering exceptional comfort and support with a premium sleep system designed for lasting performance.

The 5 Zone Pocket Spring System provides targeted support to promote optimal spinal alignment, while the Track Edge Support System enhances edge-to-edge stability and maximises the usable sleep surface. Available in Soft, Medium, and Ultra Firm feels, and in Double, Queen, and King sizes, the Opal Mattress is designed to help you wake up feeling refreshed, supported, and ready for the day ahead.

Feature	Benefit
Triple Soft Peel Foam Layers	Three layers of Soft Peel Foam provide progressive cushioning and enhanced comfort.
Gel Infused Visco Peel Foam	Cooling memory foam contours to the body while helping regulate sleep temperature.
Soft Convoluted Foam	Egg-crate profile improves airflow and creates a plush, pressure-relieving sleep surface.
5 Zone Pocket Spring System	Five targeted support zones help promote spinal alignment while individually wrapped pocket springs minimise partner disturbance.
Track Edge System	Provides superior edge support and keeps you sleeping flat without that rolling out feel.
Premium Quilted Construction	Fabric Layer, Polywool Fibre, Gusset Top Fabric, and Firm Sheet Foam combine for lasting comfort, breathability, and durability.
10-Year Warranty	Backed by a 10-year warranty for long-term peace of mind and confidence in quality.

Mattress Size	Dimensions (L × W × H)	Weight
Double	L 188 cm × W 137 cm × H 27 cm	38 kg
Queen	L 203 cm × W 153 cm × H 27 cm	42 kg
King	L 203 cm × W 183 cm × H 27 cm	47 kg

Free In-Store Pickup:
Pick up your purchase from one of our 50+ stores across Australia. Once your order is ready, our team will contact you to arrange a convenient pickup time. Find your nearest store using the 'Find My Store' section above or click here.

Home Delivery:
Experience convenient delivery to your room of choice. Delivery fees start at $99 and vary depending on your location. Mattress unpacking and bed base assembly are included where applicable (leg attachment only).

Read our delivery policy here

If you’re not fully satisfied with your new mattress after giving it a fair try, you may exchange it for another comfort level or model within our range.

To be eligible for OMF’s 30-Night Comfort Guarantee, you must purchase a waterproof mattress protector along with your new mattress.

This guarantee is subject to the following terms:

You must sleep on your mattress for at least 14 nights before requesting an exchange.
Mattresses that are damaged or soiled (beyond fair wear and tear) will not be accepted.
The guarantee does not apply to floor/display models and special sizes.
If you choose a higher-priced mattress, you’ll need to pay the difference. No refunds or credits apply for lower-priced exchanges.
Only one exchange is permitted per purchase.
If a Comfort Exchange is approved, a standard fee of $95 will apply to cover administrative costs of this service. Additional delivery and/or collection fees may also apply.

For full details, learn more at our 30-Night Comfort Exchange page

Mattress Feel

Soft

Ideal for side sleepers & lighter individuals who need pressure relief

Ultra-Firm Firm Medium-Firm Medium Medium-Soft Soft Ultra-Soft

1 2 3 4 5 6 7

Ergonomic Support