1. Small Single
2ft6″ x 6ft3″ (76cm x 190cm)
Best for:
• Young children transitioning from a cot.
• Smaller guest rooms or box rooms where space is limited.
Considerations:
Ideal for compact spaces, but may feel cramped for teenagers or adults.
2. Single
3ft x 6ft3″ (90cm x 190cm)
Best for:
• Teenagers and young adults.
• Solo sleepers who want just enough space.
Considerations:
Great for narrow rooms, but may not provide enough room for taller individuals or those who toss and turn.
3. Small Double
4ft x 6ft3″ (120cm x 190cm)
Best for:
• Couples who don’t mind sharing a cosy space.
• Single sleepers who like extra room to stretch out.
Considerations:
A practical option for smaller bedrooms, though it might feel tight for two.
4. Double
4ft6″ x 6ft3″ (135cm x 190cm)
Best for:
• Couples in standard-sized bedrooms.
• Single sleepers wanting more comfort.
Considerations:
The most popular size in the UK, offering versatility. However, larger couples may prefer more space.
5. King
5ft x 6ft6″ (150cm x 200cm)
Best for:
• Couples who want extra width and length.
• Taller individuals needing additional legroom.
Considerations:
Works well in larger bedrooms but ensure your room has enough space to move around comfortably.
6. Super King
6ft x 6ft6″ (180cm x 200cm)
Best for:
• Couples who prioritise maximum space and luxury.
• Families where children or pets occasionally share the bed.
Considerations:
The ultimate in comfort, but it requires a spacious bedroom to avoid feeling cramped.
Common Issues and Solutions
1. Small Bedrooms
• Choose a Small Double or Single to maximise space without sacrificing comfort.
2. Taller Individuals
• Opt for King or Super King for extra legroom. A mattress length of 6ft6″ (200cm) ensures no dangling feet!
3. Couples Sharing a Bed
• Consider body size and sleep habits. A Double may feel cramped for two, especially if one partner is a restless sleeper.
4. Family Sleepers
• Super King is ideal if kids or pets join you in bed occasionally.
Quick Tips
• Always measure your bedroom space before buying. Leave at least 24 inches (60cm) of walking space around the bed.
• Don’t forget bed frames! The overall size, including the frame, can add extra bulk.
Posture Flex Siam Pocket 1500 Mattress
Reasons to Buy
Reasons to Buy
Description
Description
Designed for a restful night’s sleep, the Siam mattress features 1500 individually encased pocket springs (king size) that respond to your body’s movements, providing tailored support and reducing pressure points. A layer of soft memory foam enhances comfort, contouring to your body for a weightless feel.
The Tencel knitted cover adds a touch of luxury, offering a breathable, hypoallergenic, and antibacterial sleeping surface that efficiently absorbs moisture. Integrated air vents promote airflow, keeping the mattress fresh. With a non-turn design, maintenance is effortless simply rotate for lasting performance.
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 Hypoallergenic 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.
Dimensions
Dimensions
| SIZE | WIDTH | LENGTH | DEPTH |
|---|---|---|---|
| Single | 90cm | 190cm | 29cm |
| Small Double | 120cm | 190cm | 29cm |
| Double | 135cm | 190cm | 29cm |
| King Size | 150cm | 200cm | 29cm |
| Superking | 180cm | 200cm | 29cm |
| Superking Zip and Link | 180cm | 200cm | 29cm |
Please allow for a tolerance of +/- 2cm
Delivery
Delivery
|
Third party independent couriers (weekdays) |
FREE |
|
Weekday delivery Order up to 60 days ahead |
FREE |
|
Weekend On Saturday or Sunday |
FREE
|
|
Delivery to the front door of your building |
Yes |
|
Four-hour delivery time slot We’ll let you know on the day before your delivery |
Yes |
|
Call to let you know we’re on our way On your delivery day (30 mins prior) |
Yes |
|
Assisted Delivery to your room of choice |
£15.00 |
|
Mattress recycling We'll take away your old mattress |
£39 |
Delivery is on an all-day service, 7am - 8pm for mainland England and most of Scotland, Wales and Northern Ireland.
Need further information? Please visit our delivery page.
60-Night Comfort Trial
60-Night Comfort Trial
This mattress comes with a free 60-night comfort trial, just like all of our mattresses.
We encourage you to sleep on your new mattress for at least 30 nights, as it can take time for your body to adjust. If, after 30 nights, it’s not feeling quite right, simply get in touch — we’ll be happy to swap it for you.
Still not in love by night 60? No worries. The comfort trial gives you the flexibility to find the perfect fit.
