King Koil Platinum Luxury Serenity Medium Mattress - All Sizes Single Price!

Shop now at Forty Winks and buy any size mattress for the price of a single!* That includes the King Koil Platinum Luxury Serenity Medium Mattress!
Contact our Launceston Store

Enquire in store or give Forty Winks Launceston a call on 03 6334 3111.

Expires 07 November 2021

10 Redeems

Contact our Cambridge Store

Send us an email via the enquire button below, or call us in store on 03 6248 4215.

Expires 07 November 2021

Get ANY SIZE mattress for the price of a single PLUS earn DOUBLE Qantas Points!*

Get a double, queen, king, or even a super king size mattress for the price of a single across selected range mattresses from leading brands including Sealy Posturepedic, King Koil, Serta, MySide, Silent Partner and Tempur.

PLUS for a limited time only, earn 2 Qantas Points per $1 spent (usually 1 Qantas Point per $1 spent)*

Sleep in serenity

The King Koil Platinum Luxury Serenity range contains two elements of our advanced comfort technology, AeroComfort; AeroQuilt and AeroFoam, providing breathable, pressure relieving comfort that is more resilient to body signatures.

Features premium comfort components such as FlexGel Infused Memory Foam to provide pressure relieving, conforming comfort.

Micro Comfort Coils to provide additional support or enhanced comfort whilst minimising partner disturbance.


The Reflex Platinum support system features maximum Active coils for all over support and pressure relief. Active coils, which are spread throughout the support system, are incorporated into the primary coils to provide progressive resistance and enhanced support wherever your body needs it.

Each spring is individually enclosed in a perforated casing allowing for increased breathability for a healthier sleep environment.

Encased in a Performa Edge Support to provide a large sleeping surface and a strong mattress edge.

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Terms and conditions apply. See Forty Winks Launceston or Cambridge for details. Limited time only and only on selected stock. While stocks last.

Any Size for a single offer must be completed in one transaction, during the promotional period. The any size and single mattress, or in the case of TEMPUR, the long single size mattress, must be the same brand and model. Selected mattress brands only. Excludes custom builds and Sleep Savers range. No rain-checks. Lay-by not available at all stores and inclusion in the sale is at the store's discretion, please contact your local store for lay-by availability. Super king size is not available in all mattress brands. Due to health regulations, mattresses cannot be returned once delivered. *You must be a Qantas Frequent Flyer member to earn points. Membership and points are subject to the Qantas Frequent Flyer program terms and conditions, available at A joining fee usually applies however, Forty Winks customers can join for free. Qantas Frequent Flyer members can earn 2 Qantas Points per $ 1 spent (usually 1 point per $1 spent) on selected mattress purchases made between 04/10/2021 and 07/11/2021 from participating Forty Winks retail or online stores and must present their Qantas Frequent Flyer membership number at the time of purchase. Not valid in conjunction with other Forty Winks promotions which enable members to earn Qantas Points by purchasing products. Qantas Points will be allocated within 14 days of the product delivery date.

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Business Name

Forty Winks

About Forty Winks

Forty Winks is Australia’s leading bed, mattress and bedding retailer. They stock the largest range of quality beds and mattresses, bedding and bedroom furniture in Australia including Sealy, King Koil, Serta and Sleepmaker.

Call us on

Cambridge 03 6248 4215


Launceston 03 6334 3111

Contact Forty Winks


Store Locations

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Forty Winks Cambridge

Phone: 03 6248 4215


Address: 66 Kennedy Dr, Cambridge, TAS 7170

Forty Winks Launceston

Phone: 03 6334 3111


Address: 188 York St, Launceston, TAS 7250

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