in 3 offers
The lowest price for Sealy Posturepremier Mattress King Single - Medium right now is $599.00 at Snooze, compared across 3 retailers.
The all-time low was $492.00 on 20 Sept 2026 — today's price is 22% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 6 Nov 2026.
Sealy Posturepremier Mattress King Single - Medium
Last updated at 06/11/2026 23:06:27
Snooze Sealy Posture Premier Harmony Pillowtop Mattress, King Single / Medium
Delivery $145
Sealy Posture Premier Helsa Medium Mattress - King Single
Delivery between 10–15 Nov $99
Sealy Posturepremier Mattress - King Single - Medium
Delivery $175
| Firmness Level | Firm (EdgeGuard insert) |
| Mattress Type | Innerspring (implied by coil system) |
| Type | Mattress |
| Length | 190 cm (Super Single) |
| Width | 91 cm (Single) |
Snooze Sealy Posture Premier Harmony Pillowtop Mattress, King Single / Medium
Delivery $145
Sealy Posture Premier Helsa Medium Mattress - King Single
Delivery between 10–15 Nov $99
Sealy Posturepremier Mattress - King Single - Medium
Delivery $175
| Firmness Level | Firm (EdgeGuard insert) |
| Mattress Type | Innerspring (implied by coil system) |
| Type | Mattress |
| Length | 190 cm (Super Single) |
| Width | 91 cm (Single) |
