1 1
free pillows

Siam has 1500 Pocket springs in a king size mattress which are all individually held under the correct tension for responsive support. Its a non turn mattress thus not requiring the effort to lift and change. It also has a good grade and quality of Memory foam. Siam is a medium comfort mattress which will cater for most people.  Finally it boasts of a luxuriously soft knitted cover made of Tencel which has an amazing ability to absorb body moisture and is Hypoallergenic, Antibacterial and Biodegradable. Air vents have been integrated within the thick border to rotate and efficiently circulate fresh air.

 

Features:

  • Type of Mattress: 1500 Pocket Sprung Encapsulated, Tape edged for extra side supports.
  • Mattress Depth: 25cm (5cm Soft Memory foam / 2.5cm Soft Foam)
  • Mattress Support: Medium
  • Mattress Fabric: Deep  Quilted Hypo Allergenic Tencel sleeping surface fabric
  • Non Turn – must regularly rotate
  • Flag stitch handles – Easy to carry and move
  • Guarantee: 1 year

All of our mattresses comply to UK Fire Flammability standards.

Mattress fabric shown in the photo can change due to availability and trend shifts in the market place.

Small Single (2ft6″/76cm x 75″/190cm)
Single (3ft/90cm x 75″/190cm)
Small Double (4ft/120cm x 75″/190cm)
Double (4ft6″/135cm x 75″/190cm)
Kingsize (5ft/150cm x 78″/200cm)
Super King (6ft/180cm x 78″/200cm)

Free Delivery

Enjoy A Fast Free UK Mainland Delivery Service

Green Dreams, Green World

Plant a Tree with Every Order placed at Mattress Stop

Comfy Bliss Awaits

Unmatched Comfort in Every Mattress

We’re Here for You

24/7 Exceptional Online Customer Support

reviews
Product Questions

Posture Flex Siam Pocket 1500 (Encapsulated) Mattress

291  (4.8 Rated Excellent)

Now: £429.99 £429.99
✓ Guaranteed Price Check: We take care of your pennies so you can spend the pounds.
Order today and get it delivered by
AUTUMN SALE NOW ON
SHOP NOW
Get 2 FREE hollow fibre pillows when you buy me
Size Small Single
In stock

Siam has 1500 Pocket springs in a king size mattress which are all individually held under the correct tension for responsive support. Its a non turn mattress thus not requiring the effort to lift and change. It also has a good grade and quality of Memory foam. Siam is a medium comfort mattress which will cater for most people.  Finally it boasts of a luxuriously soft knitted cover made of Tencel which has an amazing ability to absorb body moisture and is Hypoallergenic, Antibacterial and Biodegradable. Air vents have been integrated within the thick border to rotate and efficiently circulate fresh air.

 

Features:

  • Type of Mattress: 1500 Pocket Sprung Encapsulated, Tape edged for extra side supports.
  • Mattress Depth: 25cm (5cm Soft Memory foam / 2.5cm Soft Foam)
  • Mattress Support: Medium
  • Mattress Fabric: Deep  Quilted Hypo Allergenic Tencel sleeping surface fabric
  • Non Turn – must regularly rotate
  • Flag stitch handles – Easy to carry and move
  • Guarantee: 1 year

All of our mattresses comply to UK Fire Flammability standards.

Mattress fabric shown in the photo can change due to availability and trend shifts in the market place.

Small Single (2ft6″/76cm x 75″/190cm)
Single (3ft/90cm x 75″/190cm)
Small Double (4ft/120cm x 75″/190cm)
Double (4ft6″/135cm x 75″/190cm)
Kingsize (5ft/150cm x 78″/200cm)
Super King (6ft/180cm x 78″/200cm)

Free Delivery

Enjoy A Fast Free UK Mainland Delivery Service

Green Dreams, Green World

Plant a Tree with Every Order placed at Mattress Stop

Comfy Bliss Awaits

Unmatched Comfort in Every Mattress

We’re Here for You

24/7 Exceptional Online Customer Support

test

Ask a Question

Why Mattress Stop?

Untitled_design_f061559f-0389-4c97-81d5-b877dd9a83ca.png

Sleep Safe and Sound

Our mattresses meet stringent UK fire safety standards, ensuring a secure and restful night’s sleep.
Untitled_design_a641262b-3f60-470b-8d24-270831138574.png

Tailored Dreams

Discover personalized mattresses that match your unique sleep preferences for the perfect night’s rest.
Untitled_design_e5a87a76-af62-4527-bccf-f0e54f243b7a.png

Dream it, Choose it

Find your ideal mattress from our diverse selection, tailored to suit every sleeping style and preference.
Untitled_design.zip_-_2.png

Free UK Delivery

Enjoy the convenience of a free & speedy mainland UK delivery to your doorstep.

Our customers tell it better than we do!

Excellent

4.7

/ 5

based on 1 067 reviews

Super comfy mattress with super fast delivery.Highly recommend. 🤩

Great customer service by Adam and a wide variety of mattresses. I bought a zero gravity 3000 mattress by Healthopaedic and honestly feel weightless every time I sleep. Fast free delivery. I will be returning once again for more.Highly recommend! Great customer service by Adam and a wide variety of mattresses. I bought a zero gravity 3000 mattress by Healthopaedic... Great customer service by Adam and a wide variety of mattresses. I bought a zero gravity 3000 mattress by Healthopaedic and honestly feel weightless every time I sleep. Fast free delivery. I will be returning once again for more.Highly recommend!

Joanne M.

Dream come true! Love my new mattress... 😍

Quality and affordability in one place. Mattress Stop is a dream come true. My one-stop shop for buying any mattress whether it's for me and my partner or my kids. Highly recommend to anyone searching for a mattress. Thank you. Quality and affordability in one place. Mattress Stop is a dream come true. My one-stop shop for buying any mattress... Quality and affordability in one place. Mattress Stop is a dream come true. My one-stop shop for buying any mattress whether it's for me and my partner or my kids. Highly recommend to anyone searching for a mattress. Thank you.

Jenni T.

I love it! 😍

Great communication with outstanding quality and service! The 2000 pocket sprung mattress I purchased at Mattress Stop is worth every penny. My sleep has never been better. Highly recommended! Great communication with outstanding quality and service! The 2000 pocket sprung mattress I purchased at Mattress Stop is worth every... Great communication with outstanding quality and service! The 2000 pocket sprung mattress I purchased at Mattress Stop is worth every penny. My sleep has never been better. Highly recommended!

Helen S.

Great experience & Fast Free delivery with MS! 😍

Affordable with fast free delivery! The Hybrid mattress I got from Mattress Stop is perfect. I've never slept so soundly. They even took my old mattress away and recycled it. Thank you. I'll be coming back soon. Affordable with fast free delivery! The Hybrid mattress I got from Mattress Stop is perfect. I've never slept so soundly.... Affordable with fast free delivery! The Hybrid mattress I got from Mattress Stop is perfect. I've never slept so soundly. They even took my old mattress away and recycled it. Thank you. I'll be coming back soon.

Rebecca W.

My No.1 mattress shop for super comfy sleeping. 😍

Mattress stop was super helpful in advising which mattress was the best for lower back pain. I ordered an ultra firm revolution after trying one out in store.Fast delivery and great communication. Would recommend!!! 👍 Mattress stop was super helpful in advising which mattress was the best for lower back pain. I ordered an ultra... Mattress stop was super helpful in advising which mattress was the best for lower back pain. I ordered an ultra firm revolution after trying one out in store.Fast delivery and great communication. Would recommend!!! 👍

Jack F.

Delivered promptly & efficiently in my room … 😍

Great experience with Adam who talked me through the difference between the Hybrid and pinnacle 2000 mattresses by Giltedge. Quick delivery, easy process & highly recommend. They sent me an allocated delivery time slot 1 day prior to delivery & set it up in my room of choice. Great experience with Adam who talked me through the difference between the Hybrid and pinnacle 2000 mattresses by Giltedge. Quick... Great experience with Adam who talked me through the difference between the Hybrid and pinnacle 2000 mattresses by Giltedge. Quick delivery, easy process & highly recommend. They sent me an allocated delivery time slot 1 day prior to delivery & set it up in my room of choice.

Shelby D.

View All