Sealy Posturepedic Alco Medium King Mattress Extra Length


The Sealy Posturepedic Alco Medium King Mattress Extra Length has a double offset spring system to ensure correct back support. StayTrue Sealy Foam makes up the comfort layers and will support your body throughout the night. Accommodates up to 120kg.

Buy Now
SKU: SEA-POS-ALCO-MEDIUM-183-M-XL Categories: , , , , Tags: ,


  • 120kg per person
  • No-Turn mattress
  • Medium comfort
  • Double Offset Spring System
  • W 183cm x L 200cm
  • 1 Year Guarantee and 9 Year Warranty

Allergen Protect With Pressure Relieving Foam

The Sealy Posturepedic Alco Medium King Mattress Extra Length is protected from common allergens and helps it stay fresh and healthy, ensuring that you have a good nights rest. Thanks to the StayTrue Sealy Foam in the comfort layers of the Sealy mattress, your body will be supported with different comforts throughout the night.

Double Offset Spring System

Unlike other mattresses, the Alco Medium King Mattress Extra Length is made with Sealy’s exclusive Double Offset Spring SystemDouble Offset Spring System has been designed in partnership with Orthopaedic Surgeons and has a unique hinging action, that ensures correct back support with no roll-together.

Zone Support

The Sealy Posturepedic Alco Medium King Mattress Extra Length has a high-density foam to provide body support in the center by adding additional support to the lower back and reduces body impressions in the king extra length mattress, therefore allowing your muscles to relax and recover.

Duraflex Form Encased Edge Support

One of the extra benefits of the Sealy Posturepedic Alco Medium range is its high-density foam encased border. This a great feature that surrounds and supports the edge of the spring system. There will be an increased sleeping area and edge support will prevent you from experiencing the feeling of ‘rolling off’ your bed when you sleep close to the edge of the mattress

Still Have Questions About This Product?

If you still have queries regarding this product, feel free to click the “Make an enquiry for this product” button, live chat (between 8 am and 6 pm) or just give us a ring! Our friendly and experienced consultants are always happy to help.

Additional information

Base Included

Bed Length

Bed Size





Max Weight Per Person


Support Structure

Warranty & Guarantee


There are no reviews yet.

Be the first to review “Sealy Posturepedic Alco Medium King Mattress Extra Length”

Your email address will not be published.