medium-firm150kg7-14 days

Serta Corvus King XL Mattress


  • Luxury comfort top with Memory Foam & Latex
  • Excellent for relief and distribution of pressure
  • Superior comfort and support for the spine
  • Minimal transference of partner movement
  • No-flip design with rotation technology
  • Imported high performance luxury ticking
  • 150kg per person
  • Medium-Firm comfort

Please Note: 7 – 14 day lead for delivery
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PayJustNow allows you to pay for your purchase over 3 equal, zero interest instalments. You’ll pay one instalment at the time of purchase, the next at the beginning of the following month and the last one a month thereafter.

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Serta Corvus King XL Mattress:

  • King – 183cm
  • Mattress Only
  • Extra Length (XL) 200cm

Please Note: there is a 7 to 14 day lead time from purchase to delivery of this product.

Features of the Serta Corvus King XL Mattress:

The Corvus is a luxury comfort top with memory foam and latex.  It has High Density PURE Foam designed for Serta for comfort and support, and it resists indentation over time. The Gel infused memory foam boasts excellent contouring properties for pressure relief and it has microcopic pockets that respond to body temperature and weight. The latex foam has the unique effect of balancing proper support with softness and comfort for your spine. Latex foam is naturally resistant to mites, mould and bacteria. The Corvus features the Serta patented continuous coil system ensuring continuous support and limiting the transfer of partner movement.

This mattress has a no-turn design and flipping is not required.  Regular rotation is advised and instructions are provided in the warranty card. It is reinforced with edge support and this creates a large sleeping surface and eliminates that rolling off feeling.  The mattress is covered in exclusive ticking with anti-mite and anti-bacterial qualities for a clean and healthy sleeping environment.

The Corvus has a 2 year guarantee and a 10 year service warranty.  It is designed for persons up to 150kg.  This bed provides Medium-Firm comfort.

Comfort Scale – How does the Corvus Feel? Medium Firm

Comfort Rating - Medium Firm

This level of comfort offers a good balance of feeling supportive but with some softness. Most people like how a medium firm mattress feels. For this reason hotels and guest houses normally choose mattresses with this level of firmness. It accommodates many sleep positions – it is comfortable for side sleepers, back sleepers and stomach sleepers. 

Learn more about the Bedworld Comfort Scale here.

About Serta

For more than 75 years, Serta have been making consistent investments into the highest quality and most innovative features to ensure that every mattress set they manufacture delivers superior comfort and support. Serta is one of the most recognized and trusted brand names among retailers and consumers everywhere. Serta is proud to offer a pipeline of innovative products with today’s most advanced comfort and support features.

Additional information

Additional information

Bed Type

Bonnell Spring


Comfort Rating

medium firm



Weight / Person


Lead Time

7-14 days

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END OF YEAR DELIVERY TIMES - our deliveries are generally within 1 to 5 days but there can be some delays at this time of year due to high volume of sales and stock availability. You can check with a sales consultant on our live chat function to confirm what the lead time will be on your chosen item, or request a quote, or send us an email to Thank you for your understanding.

How much is delivery?

Free delivery in Gauteng for orders over R3999, For orders less than this, delivery is R300

How long does delivery take?

Delivery is generally within 1 to 5 days on most products. Please allow 3 to 7 days for Cloud Nine and Rest Assured, 7 to 10 days for Restonic and Henwood, and 10 to 14 days for Serta. Our warehouse

For deliveries outside of Gauteng we use the service of a courier. Please contact us at or on Live Chat to check if we can deliver in your area, and what the cost and lead time will be.

For more details see

About Serta
Serta is proud to be the manufacturer of the “World’s Best Mattress™”. Their commitment to quality has made them a leader in the industry. Serta is one of the most recognized and trusted brand names among retailers and consumers everywhere. Serta is proud to offer a pipeline of innovative products with today’s most advanced comfort and support features.  Please note there is a 7 to 10 day lead time for delivery of Serta products.