Attenuation (sound reduction): Class 3-4 approx 28dB(A) Life Span: Approx 5 years (differs for each individual) (3 year warranty on mould integrity) Turnaround: Approximately 10 business days. Concave fit to not protrude or cause soreness against pillow. APPLICATIONS:     Sleeping     Recreation     Surfers     Plane Travel     Industrial Noise Protection Total Cost: $195.00 AUD Inc … Continue reading Sleep