This awesome Matrix King size mattress measures 190cm long x 180cm wide x 25cm high. Some of the features of this mattress is the no turn technology, 150% more working coils and no sagging edges. The mattress is perfect for a larger bedroom, or for a holiday home etc. The mattress is in great condition and still in its plastic covering. Please view the pics carefully to fully appreciate this wonderful queen size mattress and base set and to confirm the condition.