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Sealy Double Mattresses

Our Sealy Double Mattress range includes favourites such as Posturepedic Pocket Springs and Posturetech Springs. Save up to 70% from high street prices. With hundreds of mattresses in stock, SealyMattressOnline is able to provide Next Day Delivery on many mattresses.
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55% Off Massive Sale
Sealy Posturepedic Aspen Mattress
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Small Double

    4′ x 6′3″
    £199.95
    Next Day
  • Double

    4′6″ x 6′3″
    £199.95
    Next Day
  • King Size

    5′ x 6′6″
    £239.95
    Next Day
  • Superking

    6′ x 6′6″
    £319.95
    Next Day
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Small Double

    4′ x 6′3″
    £199.95
    Next Day
  • Double

    4′6″ x 6′3″
    £199.95
    Next Day
  • King Size

    5′ x 6′6″
    £239.95
    Next Day
  • Superking

    6′ x 6′6″
    £319.95
    Next Day
30% Off Massive Sale
Sealy Support Regular Mattress
  • Single

    3′ x 6′3″
    £149.95
    Next Day
  • Small Double

    4′ x 6′3″
    £209.95
    Next Day
  • Double

    4′6″ x 6′3″
    £209.95
    Next Day
  • King Size

    5′ x 6′6″
    £249.95
    Next Day
30% Off Massive Sale
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £149.95
    Next Day
  • Small Double

    4′ x 6′3″
    £209.95
    Next Day
  • Double

    4′6″ x 6′3″
    £209.95
    Next Day
  • King Size

    5′ x 6′6″
    £249.95
    Next Day
25% Off Massive Sale
Sealy Support Regular Mattress
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Double

    4′6″ x 6′3″
    £229.95
    Next Day
  • King Size

    5′ x 6′6″
    £279.95
    Next Day
25% Off Massive Sale
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Double

    4′6″ x 6′3″
    £229.95
    Next Day
  • King Size

    5′ x 6′6″
    £279.95
    Next Day
  • Double

    4′6″ x 6′3″
    £239.95
    Next Day
  • King Size

    5′ x 6′6″
    £289.95
    Next Day
  • Single

    3′ x 6′3″
    £189.95
    Next Day
  • Small Double

    4′ x 6′3″
    £289.95
    Next Day
  • Double

    4′6″ x 6′3″
    £289.95
    Next Day
  • King Size

    5′ x 6′6″
    £329.95
    Next Day
  • Superking

    6′ x 6′6″
    £419.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £419.95
    14-21 Days
35% Off Massive Sale
Sealy Millionaire Elite Mattress
  • Double

    4′6″ x 6′3″
    £249.95
    Next Day
  • King Size

    5′ x 6′6″
    £299.95
    Next Day
  • Single

    3′ x 6′3″
    £219.95
    2-5 Days
  • Small Double

    4′ x 6′3″
    £289.95
    Next Day
  • Double

    4′6″ x 6′3″
    £289.95
    Next Day
  • King Size

    5′ x 6′6″
    £324.95
    Next Day
  • Superking

    6′ x 6′6″
    £479.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £479.95
    14-21 Days
Showing products 1-10 of 26
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