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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.
Showing products 1-10 of 12
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60% Off Massive Sale
Sealy Posturepedic Aspen Mattress
  • Single

    3′ x 6′3″
    £147.22
    Next Day
  • Small Double

    4′ x 6′3″
    £188.15
    Next Day
  • Double

    4′6″ x 6′3″
    £188.15
    Next Day
  • King Size

    5′ x 6′6″
    £231.17
    Next Day
  • Superking

    6′ x 6′6″
    £318.70
    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″
    £138.34
    Next Day
  • Small Double

    4′ x 6′3″
    £196.22
    Next Day
  • Double

    4′6″ x 6′3″
    £196.22
    Next Day
  • King Size

    5′ x 6′6″
    £243.80
    Next Day
35% Off Massive Sale
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £138.34
    Next Day
  • Small Double

    4′ x 6′3″
    £196.22
    Next Day
  • Double

    4′6″ x 6′3″
    £196.22
    Next Day
  • King Size

    5′ x 6′6″
    £243.80
    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
35% Off Massive Sale
Sealy Posturepedic Jubilee Memory Ortho Mattress
  • Single

    3′ x 6′3″
    £219.95
    Next Day
  • Small Double

    4′ x 6′3″
    £324.95
    Next Day
  • Double

    4′6″ x 6′3″
    £324.95
    Next Day
  • King Size

    5′ x 6′6″
    £394.95
    Next Day
  • Superking

    6′ x 6′6″
    £479.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £479.95
    14-21 Days
35% Off Massive Sale
Jubilee Latex Posturepedic Mattress from Sealy
  • Single

    3′ x 6′3″
    £269.95
    Next Day
  • Small Double

    4′ x 6′3″
    £369.95
    Next Day
  • Double

    4′6″ x 6′3″
    £369.95
    Next Day
  • King Size

    5′ x 6′6″
    £424.95
    Next Day
  • Superking

    6′ x 6′6″
    £539.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £539.95
    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
30% Off Massive Sale
Sealy Pure Calm Posturepedic 1400 Latex Mattress
  • 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
40% Off Massive Sale
Sealy Nostromo Posturepedic Pocket 1400 Latex Mattress
  • Single

    3′ x 6′3″
    £464.95
    7-14 Days
  • Double

    4′6″ x 6′3″
    £609.95
    Next Day
  • King Size

    5′ x 6′6″
    £699.95
    Next Day
  • Superking

    6′ x 6′6″
    £834.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £834.95
    3-4 Weeks
Showing products 1-10 of 12
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