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      Spring King® Ruby Ortho Extra Firm Mattress

      4.8 out of 5
      (89)
      (13)
      (1)
      (1)
      (1)

      Experience superior spine support for a restful, pain-free night's sleep.

      Open Coil Springs
      Soft White Fibres
      27cm Depth
      Firmness: Extra Firm
      £319
      RRP £539
      Save £220
      from £319
      Lowest Price Promise!

      Size

      Single 3' x 6'3"
      £239 RRP £399
      Only 1 left
      Small Double 4' x 6'3"
      £259 RRP £439
      Only 1 left
      Double 4'6" x 6'3"
      £259 RRP £439
      In stock
      King Size 5' x 6'6"
      £319 RRP £539
      In stock
      Super King 6' x 6'6"
      £439 RRP £739
      Only 3 left

      FREE Delivery within Next Day Estimated delivery from

      FREE delivery Saturday, 4th April

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      Or just £26.58 per month, 0% finance with Klarna. 18+, T&Cs apply. Learn more
      Spring King® 1 Year Guarantee

      Spring King are certain you'll love your new mattress, but in the unlikely event you discover a problem as a result of faulty materials or poor crasftmanship, you're covered by a one year guarantee.

      100 Night Sleep Trial icon
      100 Night Sleep Trial

      Finding the perfect mattress shouldn't be stressful. That's why we offer a generous 100 night sleep trial. Snuggle in and test it out for at least 50 nights. If it's not your perfect match we’ll offer you an exchange for a mattress that you love even more.

      We provide our award-winning Free Next Day Delivery service to most locations, sending a proper night’s sleep out far and wide. Hassle-free and convenient, you can even choose a time and day that suits you, have us take your old mattress away for recycling, and get us to deliver to your room of choice!

      In some places, a small fee will be charged to help us get you your best night’s rest as quickly as possible. Take a look at the following postcodes to see if this applies to you, and if you’re not sure, then use our helpful Postcode Checker to help you shop with confidence.

      • AB10-AB16, AB21-AB25, AB30-AB39, AB41-AB45, AB51-AB56
      • CA1-CA9
      • DD1-DD11
      • DG1-DG14, DG16
      • EH1-EH49, EH51-EH55, EH91, EH95, EH99
      • FK1-FK21
      • G1-G5, G9, G11-G15, G20-G23, G31-G34, G40-G46, G51-G53, G58, G60-G79, G18-G84, G90
      • IV1-IV19, IV30-IV32, IV36
      • KA1-KA30
      • KY1-KY16, KY99
      • LA1-LA7
      • ML1-ML12
      • PH1-PH26
      • TD1-TD15
      Old Mattress Removal

      For just £39, our fast and friendly team will collect your old mattress at the exact same time we deliver your new one. No waiting, no heavy lifting, and no clutter. 100% of your old mattress is carefully recycled and kept out of landfill. Simply select 'Old Mattress Removal' at checkout.

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      Your order helps us plant trees

      151,670+ Trees planted so far

      Rated Excellent

      4.8/5
      based on 105 reviews
      Trustpilot star rating
      Quality of product
      4.7 / 5
      Comfort Rating
      4.6 / 5
      Value for Money
      4.7 / 5
      85%
      12%
      1%
      1%
      1%

      Customer Review Summary

      Customers have largely praised the product for its exceptional comfort and support, noting improvements in sleep quality and relief from discomfort during the night. Many appreciate the use of high-quality materials that enhance durability and overall feel. However, a few users mentioned that the item tends to be firmer than expected, which may not suit everyone\'s preferences; yet, this aspect is often recognised as advantageous for proper spinal alignment. Overall, the product is well-regarded for its functionality and luxurious touch, making it a popular choice among users looking to enhance their sleep experience.

      Excellent Comfort
      Firm Support
      High Quality
      Durable Materials
      Improved Sleep Quality
      Stylish Design
      Firmer Than Expected

      Reviews with images

      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - Verry happy with the mattress. This truly firm mattress. As for our liking most . Author: Customer. Dated: 2023-05-14
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - Verry happy with the mattress. This truly firm mattress. As for our liking most . Author: Customer. Dated: 2023-05-14
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - Verry happy with the mattress. This truly firm mattress. As for our liking most . Author: Customer. Dated: 2023-05-14
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - I am enjoying the the small double mattress. Lovely and firm. Also looks good.Ex. Author: Augusta. Dated: 2023-09-17
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - This mattress has exceeded our expectations. For the this price rangewe are plea. Author: Colin  Hammond. Dated: 2025-01-20
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - Comfort plus +++ no more sore back, getting a full night's sleep and waking up c. Author: Louiseanne Mccaig. Dated: 2025-06-02
      A customer photo for Spring King® Ruby Ortho Extra Firm Mattress - A very good mattress that works well with a memory foam topper.  Very good value. Author: Hugh. Dated: 2025-12-15
      Trustpilot Star rating Verified

      Thought it might of been too good to be true to start as the prices are verrry affordable! ordered wednesday came thursday like they said it would. Rang to confirm time just like they said they would on the day aswell. The two guys that delivered it were very friendly and polite. I've recommended this company to everyone and anyone! the matress came well packaged and is exactly what I was looking for!

      Ruth O&mara 22nd Mar
      Trustpilot Star rating Verified

      Fabulous mattress. Perfect if you prefer something very firm or for orthopedics reasons. So far has been a good send for family with muscular disorders. A lovely blossom pattern on the material too.

      Catinthehat 10th Mar
      Trustpilot Star rating Verified

      Lots of research done, decided on mattressnextday very happy with purchase great quality for little money

      T Kins 21st Feb
      Trustpilot Star rating Verified

      Very good mattress at a very good price

      Joy Hooper 10th Feb
      Trustpilot Star rating Verified

      This mateess is like a dream! my bad back is no more! wow

      Hannah Rake 17th Jan
      Trustpilot Star rating Verified

      Loads better than our old one.. Nice and firm and great for my back.

      Gareth Gofton-dann 9th Jan

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      Your order helps us plant trees

      151,670+ Trees planted so far

      Free, fast delivery

      Award winning delivery

      Mattress recycling

      Planet-friendly disposals

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      0% Interest finance

      Buy now, pay later with Klarna

      18+, T&Cs apply, Credit subject to status
      Spring King® Ruby Ortho Extra Firm Mattress

      Spring King® Ruby Ortho Extra Firm Mattress

      £

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