The Sealy Ortho Plus Bronze Mattress is an Extra Firm design that’s specifically intended for those who require a considerable amount of support to get a comfortable night’s sleep. It utilises the PostureTech COre Support spring system, EdgeGuard reinforcing technology and a PowerPack core to ensure you benefit from total luxury and enjoy an uninterrupted night. Handmade by Sealy’s expert craftspeople in the company’s Cumbria workshop, it represents excellent value for money and your investment is protected by a no-fuss, five-year warranty.
Your Sealy mattress benefits from a luxury finish, using the finest fabrics and latest construction tools and techniques. You’ll also get a five-year guarantee with your mattress, so you’re protected should anything go wrong.
The Bronze Mattress’ first-rate support and world-class comfort are achieved by combining a range of innovative technologies. At the heart of the product is the PostureTech Core Support spring system, which is designed to respond to changes in your nighttime position and target support where you need it most. That allows it to relieve pressure and prevent aches and pains. Each spring in the system also benefits from an EdgeGuard high-density foam insert. These are placed within the spring, strengthening the mattress at the edges and extending the springs’ lifespan.
The mattress’ Extra Firm rating means it’s particularly beneficial for sleepers who regularly wake with aches and pains or who struggle with a sore back in the morning. The support the Bronze is able to provide is further enhanced by the PowerPack at its core. It works together with the PostureTech Core Support system to ensure the lumbar region is comfortable and safely aligned, reducing the likelihood of morning discomfort.
The Ortho Plus Bronze Mattress is a double-sided design, which means it can be flipped to balance use and further increase its lifespan. The mattress is hand-crafted by skilled artisans in the Sealy workshop, so quality is always guaranteed.
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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 Tomorrow, 12th December
150,170+ Trees planted so far
Rated Excellent
Customers widely praised the product for its quality, comfort and unique ability to promote a good night's sleep. Many customers said the mattress was firm while others wished for a more robust firmness. The company's delivery service was often commended for its efficiency, with customers appreciating the time-saving convenience it brings. Customers also expressed satisfaction regarding the excellent customer service provided by the company. However, issues related to the product's firmness incited mixed reactions among users.
Verified
Firm and comfortable
Verified
Great value mattress
Verified
Brilliant matress just as described
Verified
Sealy mattress is a well known brand. I am happy with the product and I am a return customer. You get what you pay for! thank you for mattressnextday, great and fast service. Delivery driver is polite and keep the time slot.
Verified
Excellent mattress, firm and very comfortable, just as advertised and delivered very quickly
Verified
Very happy so far. We ordered very firm, but it could be still a bit firmer, for our liking.Definitely an vast improvement to a particular make ( see my past reviews), we had before.This spring mattress with enforced edges and turning necessary, should ensure us a longer life, than the previous make, which lasted only 2 years.
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150,170+ Trees planted so far
Award winning delivery
Planet-friendly disposals
Buy now, pay later with Klarna
18+, T&Cs apply, Credit subject to status
| 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 +/- 2 inches (5cm).
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
