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![Advantage Deluxe Posture Gel Memory Pillowtop Mattress](https://www.sealy.co.uk/wp-content/uploads/2023/12/SL-1736-QVC-Mattresses-1034x731-1-400x283.jpg)
Advantage Deluxe
Advantage Deluxe Posture Gel Memory Pillowtop Mattress
Medium
PostureTech Core Support
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![Advantage Gel Memory Supreme Deep Pillowtop Divan Set](https://www.sealy.co.uk/wp-content/uploads/2022/06/QVC-Matt-Feat-400x195.jpg)
Advantage
Advantage Gel Memory Supreme Deep Pillowtop Divan Set
Medium
PostureTech Core Support
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![Advantage Gel Memory Supreme Deep Pillowtop Mattress](https://www.sealy.co.uk/wp-content/uploads/2022/06/QVC-Matt-Feat-400x195.jpg)
Advantage
Advantage Gel Memory Supreme Deep Pillowtop Mattress
Medium
PostureTech Core Support
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![Group 12-Mattresses Taxonomy](https://www.sealy.co.uk/wp-content/uploads/2022/01/Group-12.png)
Kingsize mattress
dimensions
A double size mattress is 135cm wide and 190cm long (4ft 6ins wide and 6ft 3ins long). A double size bed is ideal for two people and fit in most bedrooms. If you’re looking to maximise space in your bedroom, try a double ottoman bed for extra storage.