in 4 offers
The lowest price for Sealy Posturepremier Mattress King - Medium right now is $999.00 at Domayne, compared across 4 retailers.
The all-time low was $999.00 on 25 May 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 6 Nov 2026.
Sealy Posturepremier Mattress King - Medium
Last updated at 06/11/2026 23:06:27
Sealy Posture Premier Helsa Medium Mattress - King
Delivery between 10–15 Nov $99
Sealy Posturepremier Mattress - King - Medium
Delivery $175
Snooze Sealy Posture Premier Dusk Mattress, King / Medium
Delivery $145
Sealy Posture Premier King Mattress - Medium King / Medium / Add Matching Sealy Base
Free delivery between 11–17 Nov
| Firmness Level | Firm (EdgeGuard insert) |
| Mattress Type | Innerspring (implied by coil system) |
| Type | Mattress |
| Length | 190 cm (Super Single) |
| Width | 91 cm (Single) |
Sealy Posture Premier Helsa Medium Mattress - King
Delivery between 10–15 Nov $99
Sealy Posturepremier Mattress - King - Medium
Delivery $175
Snooze Sealy Posture Premier Dusk Mattress, King / Medium
Delivery $145
Sealy Posture Premier King Mattress - Medium King / Medium / Add Matching Sealy Base
Free delivery between 11–17 Nov
| Firmness Level | Firm (EdgeGuard insert) |
| Mattress Type | Innerspring (implied by coil system) |
| Type | Mattress |
| Length | 190 cm (Super Single) |
| Width | 91 cm (Single) |
