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SKU #: ZINU1157
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Ultra Cool 20cm Gel Memory Foam Mattress

$399 - $439 Sale

Was: $517

|

Save $78 (16%)

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Product overview

  • Medium Comfort

  • Mattress in a Box

  • Foam

  • Gel Memory Foam

  • Memory Foam

  • Memory Foam Top

  • Motion Isolation

  • Breathable

  • Side Sleeper

  • Hypo-allergenic

  • Cooling Properties

  • Limited Warranty

  • CertiPUR-US® Certified Foam

Description

Features:

  • Keep your body temperature regulated when you sleep
  • High-density foam to keep your mattress free of any bacteria & sweat smelling
  • Provides pressure support where it is needed, allowing the body to rest & recover while you sleep
  • CertiPUR-US certified
  • Stretch knit cover
  • Shipped in one carton
  • CertiPUR-US® certified foams are made without formaldehyde, ozone depleters, mercury, lead or other heavy metals.
  • Standard Australian sizes. Please check measurements before purchasing.

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Dimensions & Weights

Double Size
  • Overall: 190cm L x 138cm W x 20cm D
  • Overall Product Weight: 17.36 Kilograms
Queen Size
  • Overall: 203cm L x 152cm W x 20cm D
  • Overall Product Weight: 20.38 Kilograms

Specifications

Features

  • Comfort Level: Medium
  • Construction: Gel Memory Foam; Foam; Memory FoamConstruction Details: Gel-infused & green team memory foam
  • Mattress Top: Memory Foam Top
  • Motion Isolation: Yes
  • Breathable: Yes
  • Sleeper Type: Side Sleeper
  • Removable Cover: No
  • Hypo-allergenic: Yes
  • Cooling Properties: Yes
  • Box Contents: 1 x mattressBox Content Details: Rolled in cartonMattress in a Box: Yes
  • Recycled Content: No
  • Care Instructions: Wipe clean with a damp clothCare Instructions Details: Clean with damp cloth & warm, soapy water

Assembly

  • Assembly Required: YesType of Assembly: MinimalRecommended Persons Required for Assembly: 2Assembly Details: Unbox, unroll & remove plastic cover
  •  

Warranty*

  • Product Warranty: 5 Years
  •  

Sustainability

  • CertiPUR-US Certified Foam: Yes
  •  

Specifications

  • Consumer Advice: WARNING: Ensure no children or pets are close to the mattress when opening. Take care when opening the plastic packaging as the mattress may open quickly. Instructions for opening 1. Place the box on a flat surface 2. Carefully cut the outer bag (do not use a knife) 3. Unroll the compressed mattress and remove the plastic bag 4. Allow 48 hours for the mattress to expand
  •  

Additional Resources

Shipping & Returns

As per T&W return policy we unfortunately cannot accept returns of this type of product. For a full list of product categories excluded from “change of mind” returns please see our full returns policy
See something odd? Report it here.

Reviews

All reviews are from people who have purchased the item from us

Read our review Publishing Guidelines
4.6
66 reviews
Incentives to write honest reviews may be offered to people who have purchased the item
Showing reviews that highlight:  
5 stars
9 May 2026
Catherine from Oran Park NSW
Verified buyer

Beautiful Mattress. Just right Softness. Foam quickly returns to original shape. I like the colour, one downfall though , the Mattress should come with handles on either one side or both sides to aid in lifting or dragging it outside to air in the fresh air. Other than that, it’s a good choice.

5 stars
5 Jun 2026
Kylie from Frankston VIC
Verified buyer

excellent product my daughter loves her mattress

5 stars
2 Apr 2026
Sue from North Brighton SA
Verified buyer

Very happy with this mattress

5 stars
11 Feb 2026
Deonn from Lara VIC
Verified buyer

Great bed frame and great mattress. Easy to set up and comfortable

5 stars
11 Dec 2025
Ritum from Lidcombe NSW
Verified buyer

Great service, item delivered on time. I would highly recommend it.

1 star
30 Mar 2026
ryan from Perth WA
Verified buyer

After owning for 4 months, it’s seems comfortable but always seems create back pains. Wake up feeling sore and like my back is destroyed.

5 stars
1 Dec 2025
Dalila from Yarraville VIC
Verified buyer

Very comfortable mattress! Will buy again for children’s rooms.

5 stars
19 Oct 2025
meaghan from Bicheno TAS
Verified buyer

Used this in campervan, was easily able to remove outer cover and cut foam to fit the space. So much more affordable than having something custom made.

1 star
20 Mar 2026
Silvia from Maribyrnong VIC
Verified buyer

did not enjoy having memory foam

2 stars
8 Dec 2025
Nathan from Kensington SA
Verified buyer

After only a year this has become flat in spots and as its only one sided you can only rotate it once to improve.

brand_logo reply
Thank you for sharing your feedback. Were sorry to hear that your mattress has developed flat spots after a year of use. Wed appreciate the opportunity to look into this further, please reach out to our customer care team so we can review your concerns and help find a solution.
5 stars
27 Aug 2025
Bruce from Chatswood NSW
Verified buyer

Best mattress I have purchased to date. Very comfortable aerodynamic and allergy friendly

5 stars
17 Aug 2025
Ecaterina from Bardia NSW
Verified buyer

Soft and comfy. Thank you

5 stars
24 Jul 2025
Shernice from Bamawm VIC
Verified buyer

Great mattress cool

5 stars
19 Jun 2025
Eileen from Rooty Hill NSW
Verified buyer

the bed is very comfy and reasonably priced

review image 0
5 stars
7 Jun 2025
Artemis from Byron Bay
Verified buyer

This was exactly what I wanted. I bought this for my friends to keep at their home (they store it under their bed), so that anytime I come to visit I have a super comfy mattress to sleep on.

3 stars
25 Nov 2025
Michele from Robina QLD
Verified buyer

Good value. Takes awhile to soften

4 stars
12 Jun 2025
Fiona from Kinglake West VIC
Verified buyer

Slightly firmer than we anticipated but excellent quality

5 stars
19 May 2025
Tammy from Gleneagle QLD
Verified buyer

Very comfy mattress.

5 stars
9 May 2025
Ami from Noosa Heads QLD
Verified buyer

So comfortable. It's great for my son who has eczema and I can crawl in with his as well.

5 stars
17 Apr 2025
kathy from West Lamington WA
Verified buyer

Great mattress soft on top but still supportive. Bought for my 11 year old and am getting another for me :)

5 stars
2 May 2025
sreekanth from Tarneit VIC
Verified buyer

Good quality for the given price and arrived exactly as shown

5 stars
23 Apr 2025
Andrew from Para Hills SA
Verified buyer

Excellent quality just firm enough for a great night sleep

4 stars
18 Apr 2025
Yashraj from Mullaloo WA
Verified buyer

Best for the price

5 stars
16 Apr 2025
cathy from Jamisontown NSW
Verified buyer

Excellent. Very comfortable

5 stars
31 Mar 2025
Debs from Pokolbin NSW
Verified buyer

Great mattress if you like something firm.

4 stars
14 Mar 2025
Claire from Glenbrook NSW
Verified buyer

easy to sleep on

3 stars
15 Apr 2025
Lewis from Collaroy NSW
Verified buyer

The mattress is quite comfortable. The thing that makes it lose stars is the smell. I left it rolled out for 3-4 days before sleeping on it, however still weeks later there is a chemical smell in the mattress. You can also smell it on the sheets when you take them off. A bit disappointing but at least it provides a good night sleep.

5 stars
13 Feb 2025
Fleur from Hampton VIC
Verified buyer

Great product for the price. Recommend.

2 stars
11 Jun 2025
Marina from Springwood QLD
Verified buyer

Very thin, uncomfortable and generally disappointing

brand_logo reply
We really appreciate your feedback and were sorry this mattress missed the mark. If you contact our care team, well be happy to see how we can turn this around for you.
4 stars
3 Feb 2025
Nicole from Warradale SA
Verified buyer

Very quick delivery

5 stars
18 Jan 2025
Des from Manly Vale NSW
Verified buyer

The bed is surprisingly comfortable and easy to change the sheets on VERY happy

5 stars
17 Jan 2025
Lowensky from Alexandria NSW
Verified buyer

Very comfortable and ive been sleeping great

5 stars
3 Jan 2025
Heidi from The Gap QLD
Verified buyer

We have now gotten one of these mattresses for every family member! We love them. And as always, T&W packages arrive within a couple of days!

5 stars
29 Dec 2024
ESTHER from Gledswood Hills NSW
Verified buyer

Good quality, firm mattress. Very happy with purchase.

5 stars
9 Dec 2024
Foram from Tarneit VIC
Verified buyer

2nd purchase online. Very happy. Good quality , fast deliver. Overall great experience.

5 stars
8 Dec 2024
Melani from Frankston VIC
Verified buyer

I ordered this for my son’s camper-van, perfect size and he said it’s really comfy👌

5 stars
30 Nov 2024
Jennifer from 5048 SA
Verified buyer

Very happy with mattresses quite firm but comfortable, both teenagers have slept well on them with no issues, if you have sore hips maybe go a little softer

5 stars
3 Dec 2024
Mahala from Wyndham Vale VIC
Verified buyer

Very comfortable to sleep on

5 stars
13 Nov 2024
Simon from West Perth WA
Verified buyer

Feels pretty good, not a thick mattress

5 stars
11 Nov 2024
Pratik from Forest Hill VIC
Verified buyer

Great mattress, no issues until now. Highly recommended

5 stars
23 Sep 2024
Jordan from North Ryde NSW
Verified buyer

This mattress fits our bedframe perfectly and strikes the ideal balance between firmness and softness. It feels like sleeping on a cloud while providing great support. I wake up refreshed every morning. If you're looking for comfort and a perfect fit, this is the mattress for you! Highly recommend!

5 stars
26 Oct 2024
Zoe from Mons QLD
Verified buyer

Great mattress! So comfy and cooling.

5 stars
13 Oct 2024
Maria from North Lakes QLD
Verified buyer

really comfy and supportive, great mattress overall

5 stars
12 Sep 2024
Liv from Glenvale QLD
Verified buyer

Guest mattress, both of the two guests I’ve had have bought this mattress after staying on it! 10/10

5 stars
13 Aug 2024
Angie from Darlinghurst NSW
Verified buyer

It is very comfortable

4 stars
23 Jul 2024
Charlotte from Gawler Belt SA
Verified buyer

Super comfortable and cooling!

5 stars
14 Jun 2024
James from Homebush NSW
Verified buyer

Comfiest bed ever!

5 stars
19 May 2024
Wayne from Maryborough QLD
Verified buyer

I purchased this mattress for the spare room , it's so comfortable.

5 stars
7 Mar 2024
RIjo from Derrimut VIC
Verified buyer

E xcellent and Superior Product

5 stars
3 Jul 2023
Valerie from Clayton South VIC
Verified buyer

Great product and efficient delivery

When you buy a Ultra Cool 20cm Gel Memory Foam Mattress online from Temple & Webster in Australia, we make it as easy to have it delivered to your home in Melbourne, Sydney or any major city.
If you have any questions about your purchase or any other Bed Mattresses for sale, our customer service representatives are here to help. Whether you just want to buy a Ultra Cool 20cm Gel Memory Foam Mattress or shop for your entire home, Temple & Webster has everything you need.

Reference

SKU #ZINU1157
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Monthly fee of $9.95 or $0 if nothing owing¹

Zip Money

Monthly fee of $9.95, interest rate 25.9%²

  1. Zip Pay - Minimum monthly repayments are required. A monthly account fee of $9.95 applies and is subject to change. Pay your closing balance in full by the due date each month and we’ll waive the fee. Available to approved applicants only and subject to completion of satisfactory credit check. Other charges may be payable. T&Cs apply.
  2. Zip Money - Available to approved applicants only and subject to completion of satisfactory credit check. Minimum monthly repayments are required. Paying only the minimum monthly repayment amount will generally not repay the purchase within the interest free period. A monthly account fee of $9.95 will also apply and a one-off establishment fee may apply for new customers. Any balance outstanding at the expiry of the interest free period will be charged at the standard variable interest rate of 25.9% per annum as at 1 June 2023. Other charges may be payable, see T&Cs. Interest, fees and charges are subject to change. Terms & Conditions apply and are available on application. See your contract for further details. Credit provided by ZipMoney Payments Pty Ltd (ABN 58 164 440 993, Australian Credit Licence Number 441878).
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