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Rated the best bed company in South Africa.
Based on 6321 reviews
Written by: Lameesah K
12 June 2026 at 17:25:14
u2b50u2b50u2b50u2b50u2b50 Outstanding Service from Mattress Warehouse!
From the moment I placed my order, the service was exceptional. A special thank you to Sboniso Faya, who contacted me to ensure my order had been received, asked all the relevant questions, and went above and beyond to arrange delivery within my preferred time frame. His professionalism and attention to detail made the entire process seamless.
n
nI would also like to extend my sincere appreciation to Victor and Sbongiseni for the amazing delivery service. They were punctual, friendly, professional, and handled everything with great care. Their positive attitude and efficiency made the delivery experience stress-free and enjoyable.
n
nIt's rare to receive such outstanding customer service from start to finish. Thank you to Sboniso, Victor, and Sbongiseni for exceeding expectations. I highly recommend Mattress Warehouse and will definitely be a returning customer! ud83dudc4fud83dudc4fud83dudc4fu2b50u2b50u2b50u2b50u2b50
Written by: Keshnee N
12 June 2026 at 16:27:39
Great Service
Mboh & Thabani assisted with the delivery of my mattress. They were efficient and very punctual.
Written by: Benjamin N
12 June 2026 at 14:25:53
Excellent first time purchase with The Mattress Warehouse
Victor and Sbongiseni was excellent during the delivery and extremely helpful, they brought an excellent presence. The bed is absolutely amazing, now i can finally sleep. Highly recommend The Mattress Warehouse.
Written by: Hamza
10 June 2026 at 23:49:44
Immediate assistance and was easy to communicate with the brand manager for my Airbnb requirements
Immediate assistance and was easy to communicate with the brand manager for my Airbnb requirements. Victor and Sbongiseni have always been super helpful in their deliveries, even when I am not around to collect.
Written by: Lufuno
9 June 2026 at 17:50:11
Awesome Wonderful ...
Awesome Wonderful Great Comfortable Hoping for a good sleep Seally is good Experience True Great Cool Lovely
Written by: Debbie K
8 June 2026 at 14:42:49
Had great help from ...
Had great help from Zonke who assist me,with both my orders, she was amazing
Written by: Colleen L
6 June 2026 at 19:23:37
Delivery was timely ...
Delivery was timely and the drivers were friendly and helpful
Written by: Linus
5 June 2026 at 16:32:45
Philip & Godfrey gav...
Philip & Godfrey gave good service As they delivered my mattress in once piece with no damages and they also assisted with careful precision to carry the mattress inside , They were very kind & professional
Written by: Refentse R
4 June 2026 at 10:57:29
Philip and Godfrey w...
Philip and Godfrey was very friendly and they gave us good service
Written by: Alta C
4 June 2026 at 10:20:49
I dealt with Zonke Lwana & she kept me in the loop regarding my order
I dealt with Zonke Lwana & she kept me in the loop regarding my order. I took some time from the KOOI Manufacturers to sort my order, but Zonke kept me posted. Iu2019m a satisfied client! Thank you Zonke! Well done on doing a splendid job! Regards Alta Cooke

Rest Assured Posture Guard Firm Mattress
R 5,399.00
R 5,399.00
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Delivery estimate: 6-10 business days. (main city hubs)
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Rated the best bed company in South Africa.
Based on 6321 reviews
Written by: Lameesah K
12 June 2026 at 17:25:14
u2b50u2b50u2b50u2b50u2b50 Outstanding Service from Mattress Warehouse!
From the moment I placed my order, the service was exceptional. A special thank you to Sboniso Faya, who contacted me to ensure my order had been received, asked all the relevant questions, and went above and beyond to arrange delivery within my preferred time frame. His professionalism and attention to detail made the entire process seamless.
n
nI would also like to extend my sincere appreciation to Victor and Sbongiseni for the amazing delivery service. They were punctual, friendly, professional, and handled everything with great care. Their positive attitude and efficiency made the delivery experience stress-free and enjoyable.
n
nIt's rare to receive such outstanding customer service from start to finish. Thank you to Sboniso, Victor, and Sbongiseni for exceeding expectations. I highly recommend Mattress Warehouse and will definitely be a returning customer! ud83dudc4fud83dudc4fud83dudc4fu2b50u2b50u2b50u2b50u2b50
Written by: Keshnee N
12 June 2026 at 16:27:39
Great Service
Mboh & Thabani assisted with the delivery of my mattress. They were efficient and very punctual.
Written by: Benjamin N
12 June 2026 at 14:25:53
Excellent first time purchase with The Mattress Warehouse
Victor and Sbongiseni was excellent during the delivery and extremely helpful, they brought an excellent presence. The bed is absolutely amazing, now i can finally sleep. Highly recommend The Mattress Warehouse.
Written by: Hamza
10 June 2026 at 23:49:44
Immediate assistance and was easy to communicate with the brand manager for my Airbnb requirements
Immediate assistance and was easy to communicate with the brand manager for my Airbnb requirements. Victor and Sbongiseni have always been super helpful in their deliveries, even when I am not around to collect.
Written by: Lufuno
9 June 2026 at 17:50:11
Awesome Wonderful ...
Awesome Wonderful Great Comfortable Hoping for a good sleep Seally is good Experience True Great Cool Lovely
Written by: Debbie K
8 June 2026 at 14:42:49
Had great help from ...
Had great help from Zonke who assist me,with both my orders, she was amazing
Written by: Colleen L
6 June 2026 at 19:23:37
Delivery was timely ...
Delivery was timely and the drivers were friendly and helpful
Written by: Linus
5 June 2026 at 16:32:45
Philip & Godfrey gav...
Philip & Godfrey gave good service As they delivered my mattress in once piece with no damages and they also assisted with careful precision to carry the mattress inside , They were very kind & professional
Written by: Refentse R
4 June 2026 at 10:57:29
Philip and Godfrey w...
Philip and Godfrey was very friendly and they gave us good service
Written by: Alta C
4 June 2026 at 10:20:49
I dealt with Zonke Lwana & she kept me in the loop regarding my order
I dealt with Zonke Lwana & she kept me in the loop regarding my order. I took some time from the KOOI Manufacturers to sort my order, but Zonke kept me posted. Iu2019m a satisfied client! Thank you Zonke! Well done on doing a splendid job! Regards Alta Cooke
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About

Rest Assured Posture Guard Firm Mattress
Comfort Level

Firm

Warranty

15 Years Service Warranty

2 Year Guarantee

Weight Limit

125 kg per person

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Description

Enjoy classic mattress comfort on luxurious fillings while supported beneath by the most traditional of coil systems.  Bonnell mattresses have displayed their value over time.  This soft yet firm bed is very stable and durable, promising full support night after night.  The virtually indestructible Bonnell springs provide uniform and consistent support without feeling too bouncy.  If you are looking for firm comfort, the Rest Assured Posture Guard Firm Mattress is a very good option.

Comfort level 2:  Firm

Ideal for the following sleeping styles:

  • Back sleepers
  • Stomach sleepers

Deluxe breathable surfaces
Moisture-reducing VISCOSE BREATHE blue gel and Hyper Soft polyurethane layers give the mattress its luxurious comfort and supportive feel.

Better durability with dual tempered Bonnell
Using heat and electronic methods to temper the Bonnell spring units means more rigidity and less compression as time goes by.

Active technology for more stability
The hourglass-shaped springs are hand-assembled and strategically connected to eliminate tilt and provide more stability.

Pre set to prevent sagging
You need not fear that your mattress will sag as you begin using it.  By compressing the Bonnell unit into a flatter position, the likelihood of initial sagging is ruled out. 

Heavy-duty 6 turn Bonnell
More turns in the Bonnell spring equals more strength.  This spring system gives 33% more working wire.

Stronger double knot
By knotting the springs at the top and the bottom, the springs can perform with more evenness and stability, and there is less risk of knot slipping.

Open-cell technology for more breathability
Polyurethane foams manufactured with an open-cell structure improve the ventilation ability of the mattress and encourage a more hygienic environment for a deeper sleep.

Soft knitted ticking
Enjoy the softness offered by the micro-quilted jacquard ticking which encapsulates the mattress. This durable outer fabric layer ensures comfort while dissipating heat.

Hygienic & Non-toxic
The foams, which are produced in-house at Strandfoam Group, are completely stable, hygienic and non-toxic.  

Quality dual-sided mattress
Providing the benefit of another sleeping surface, your comfortable dual-sided mattress will need to be flipped and rotated from time to time.

To summarise the Rest Assured Posture Guard Firm Mattress:

  • Deluxe breathable surfaces
  • Better durability with dual tempered Bonnell
  • Hygienic & non-toxic
  • Quality dual-sided mattress
  • Best for back and stomach sleepers
  • Weight recommendation of up to 125 kg per side
  • 2-year guarantee
  • 15-year service warranty
100 Day Comfort Trial Available:
Yes
All Available Sizes:
Single, Single XL, Three Quarter, Three Quarter XL, Double, Double XL, Queen, Queen XL, King, King XL
Bedroom Type:
Main Bedroom
Comfort Level:
Firm
Fabric Type:
Jacquard
Guarantee (Year/s):
2 Year Guarantee
High Resilience Foam:
Yes
Latex Foam:
No
Limited Movement Transfer:
Yes
Mattress Type:
Bonnell Spring
Mattress in Box:
No
Memory Foam:
No
Selected Size Dimensions:
N/A
Turn / No Turn Mattress:
Turn
Warranty (Year/s):
15 Years Service Warranty
Weight Capacity (kg):
125 kg
Zero Movement Transfer:
No
Product Video
Firm
Beds with a firm comfort rating are great for certain sleepers. Firm mattresses give way a lot less under body weight, creating a firm and solid platform that allows perfect spinal alignment. People who like to sleep on their backs and stomachs will greatly benefit from sleeping on a firm mattress.
Want to know how mattress Comfort levels are rated?
Find Out
Size Standard Dimentions Extra Length Dimentions
King 188 cm x 183 cm 200 cm x 183 cm
Queen 188 cm x 152 cm 200 cm x 152 cm
Double 188 cm x 137 cm 200 cm x 137 cm
Three Quarter 188 cm x 107 cm 200 cm x 107 cm
Single 188 cm x 91 cm 200 cm x 91 cm
Product Reviews (2)
Overall customer rating
5.00

See what others have to say...

  1. Sabiha Osman (verified owner)

    I have bought this mattress which is to similar comfort of mattress that i have and i love the firm support.

  2. Kevin Norris (verified owner)

    Very Happy with my choice assisted by Sboniso…

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Why Rest Assured?
Rest Assured beds are endorsed by the Chiropractic Association of South Africa. All their products have above industry standard warranties. It’s not only a beautiful mattress, but it’s also an incredibly capable one.
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