Relieve the pressure, the SleepSoul Nimbus conceals reflex foam in a soft quilted cover to deliver the perfect nights sleep. Vacuum packed, this mattress has a medium feel with reflex foam. Mattress life can be prolonged with regular rotation. The Nimbus mattress will require 48 hours for it to return to its original size before use. Each SleepSoul mattress comes with a 10-year warranty as standard, so you can enjoy a decade of good sleep.