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Sealy Harmony Posturetech Memory Mattress, Double is rated 5.0 out of 5 by 3.
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We will contact you within 2 business days from confirmation of your order to arrange delivery within 15 business days. Postcode restrictions may apply. Find out more in the Delivery & Returns Tab below


The Sealy Harmony is a sumptuous micro quilted mattress with a zoned foam construction that moulds to the body to relieve pressure points and aid spinal alignment. This mattress features Sealy's patented PostureTech 620 spring system which provides a softer feel and gradually gets firmer as pressure increases. 

Sealy Smart Fibres with Tencel are also incorporated into the design to allow you to stay cool and dry during the night with Purotex added for the elimination of house dust mites. 


  • Micro quilted mattress
  • Zoned foam construction to provide more pushback and added comfort
  • Memory foam layer to relieve pressure points and aid spinal alignment
  • Made with Sealy's PostureTech 620 spring system
  • More springs at mattress border provides firmer edge support and no roll-off to maintain even weight distribution
  • Sealy Smart Fibres with Tencel- soft eco-friendly fabric to keep you cool and dry- endorsed by Allergy UK
  • Purotex for the elimination of house dust mites
  • No turn mattress, simply rotate for added convenience
  • Mattress depth: 26cm
  • Medium/Firm rating


  • Mattress Firmness: Medium/firm
  • Mattress Finish: Micro quilted
  • Single: H 26 x W 90 x L 190cm
  • Double: H 26 x W 135 x L 190cm
  • King: H 26 x W 150 x L 200cm
  • Super King: H 26 x W 180 x L 200cm
  • Mattress Depth: 26cm
  • Turning Instructions: Non turn, simply rotate

Sealy Harmony beds are available as complete sets (including mattress and divan). Please look for the Sealy Harmony Collections for more details.  

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