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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″
    £334.95
    Next Day
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″
    £334.95
    Next Day
35% Off Massive Sale
Sealy Support Regular Mattress
  • Single

    3′ x 6′3″
    £139.95
    Next Day
  • Small Double

    4′ x 6′3″
    £194.95
    Next Day
  • Double

    4′6″ x 6′3″
    £194.95
    Next Day
  • King Size

    5′ x 6′6″
    £234.95
    Next Day
35% Off Massive Sale
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £139.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £194.95
    Next Day
  • Double

    4′6″ x 6′3″
    £194.95
    Next Day
  • King Size

    5′ x 6′6″
    £234.95
    Next Day
30% Off Massive Sale
Sealy Millionaire Orthopaedic Mattress
  • Double

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

    5′ x 6′6″
    £289.95
    Next Day
40% Off Massive Sale
Sealy Posturepedic Jubilee Memory Ortho Mattress
  • Single

    3′ x 6′3″
    £204.95
    Next Day
  • Small Double

    4′ x 6′3″
    £299.95
    Next Day
  • Double

    4′6″ x 6′3″
    £299.95
    Next Day
  • King Size

    5′ x 6′6″
    £349.95
    Next Day
  • Superking

    6′ x 6′6″
    £449.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £449.95
    14-21 Days
45% Off Massive Sale
Sealy Posturepedic Millionaire Ortho Mattress
  • Small Double

    4′ x 6′3″
    £284.95
    Next Day
35% Off Massive Sale
Sealy Ultra Memory Support Mattress
  • Single

    3′ x 6′3″
    £209.95
    Next Day
40% Off Massive Sale
Jubilee Latex Posturepedic Mattress from Sealy
  • Single

    3′ x 6′3″
    £249.95
    Next Day
  • Small Double

    4′ x 6′3″
    £349.95
    Next Day
  • Double

    4′6″ x 6′3″
    £349.95
    Next Day
  • King Size

    5′ x 6′6″
    £389.95
    Next Day
  • Superking

    6′ x 6′6″
    £499.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £499.95
    14-21 Days
30% Off Massive Sale
Pure Charisma 1400 Pocket Mattress from Sealy
  • Single

    3′ x 6′3″
    £419.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £554.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £609.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £759.95
    14-21 Days
Showing products 1-10 of 15
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