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Snuggle up on the ultimate orthopaedic support mattress from Sealy. The Sealy Millionaire Ortho Ultimate Mattress lives up to its name, delivering outstanding support from the unique PostureTech Zero Deflection spring system, while giving you millionaire-lifestyle levels of comfort thanks to the luxurious tufting and ultra-soft filling.
The Sealy Millionaire Ortho Ultimate Mattress combines unique orthopaedic design and elegant, hand-finished touches so that you have a mattress that delivers superb support and elegant good looks. The mattress is approved by both Allergy UK, and the National Bed Federation (NBF), and comes with a 5-year guarantee for complete peace of mind.
Using a unique design and spring matrix, the PostureTech Zero Deflection Springs minimise movement and weight transference to avoid disruption during sleep. That means a better night’s rest for you and your partner. The strong design also stabilises the sleeping area, delivering firm but comfortable support and minimising pressure spots on the shoulders, lower back, and hips.
If you suffer from back pain and need a firmer mattress that doesn’t compromise on comfort, the Sealy Millionaire Ortho Ultimate Mattress fits the bill perfectly. It has a firmness rating of 5 making it suitable for those who prefer a much firmer feel. At 23cm deep, you get plenty of mattress for your money, and as a single-sided design you don’t need to flip and turn it, either, just rotate it head-to-toe occasionally using the strong turning handles.
Sealy mattresses use a special Smart Fibre filling that helps you stay cooler and fresher while keeping those allergens at bay. That makes it perfect for asthmatics or anyone suffering from allergies, and the mattress is endorsed by Allergy UK so you know it’s safe. On top is a beautiful damask cover that’s breathable and durable, making it easier to keep clean and extending the life of the mattress.
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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.
Sealy 5 Year Guarantee
In the unlikely event of a defect in material or workmanship occurring within the 5 year guarantee period, we will arrange to repair or replace the item under complaint free of charge at our discretion.
Free Delivery in
Place your order now and we'll contact you to arrange delivery when your order is ready for despatch. You can then choose our popular next day delivery or select a day & time of your choice and get delivery when it's convenient for you.
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| Size | Imperial | Metric |
|---|---|---|
| Small Single | 2'6" x 6'3" | 75cm x 190cm |
| Single | 3' x 6'3" | 90cm x 190cm |
| Small Double | 4' x 6'3" | 120cm x 190cm |
| Double | 4'6" x 6'3" | 135cm x 190cm |
| King Size | 5' x 6'6" | 150cm x 200cm |
| Super King | 6' x 6'6" | 180cm x 200cm |
| European Small Single | 2'8" x 6'6" | 80cm x 200cm |
| European Single | 3' x 6'6" | 90cm x 200cm |
| European Double | 4'7" x 6'6" | 140cm x 200cm |
| European King Size | 5'3" x 6'6" | 160cm x 200cm |
All mattress sizes given are approximate and stated sizes refer to the sleeping surface only. Mattresses sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 20mm.
You can spread the cost of purchases over £400 without any fees or interest thanks to our partnership with Klarna, a payment service provider.
Available payment options
18+, T&Cs apply, Credit subject to status. Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply. Klarna’s [Pay in 3 instalments] [and] [Pay in 30 days] are unregulated credit agreements.Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.
*Delivery charges may apply for some areas. Please see our delivery page for more information.
1. Order by 6pm for next day delivery between Monday-Friday, 12pm on Saturday and 3pm on Sunday. The 'Order by' time may be subject to change dependant on our delivery partners.
Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.
MattressNextDay, 116 Joseph Wilson Industrial Estate, Whitstable, Kent, CT5 3SN
