MY SON PUT THIS ON THE MOMENT IT ARRIVED, AFTER SLEEPING ON IT OVERNIGHT ( WITH 4 BLOWN DISC'S) HE COULD NOT BELIEVE IT. BEST NIGHT OF SLEEP IN YEARS.

Pros: IT IS A GREAT VALUE, THE COST IS UNBELIEVABLE , I HAVE SPENT SEVEVERAL HUNDREDS OF DOLLARS AND NEVER SEEN RESLULTS LIKE THIS