SOUND ISOLATION EARBUDS: These are durable and reusable memory foam earbuds, Designed to reduce most noise and help you concentrate, sleep and relax. AIR CUSHION SUPPORT: The Air Cushion silicone structure gently presses against the ear and provides a comfortable fitting that prevents discomfort when using for long hours or even when sleeping. COMFORTABLE DESIGN: Memory foam earpieces give you a secure and perfect fit for your ears. ENVIRONMENTS: Ideal for sleep, travel, and noisy environments. Protection from background noise in many situations like snoring, travelling, commuting and studying, 35dB NOISE REDUCTION: Earplugs have increased sound insulation rated up to 35dB* from low to high frequencies. Perfect for concentration at work, study, reading, sleep, and relaxation. They also protect your hearing by blocking out ambient sound.