HUSH™ earplugs are made of soft, low-pressure foam. Their tapered shape fits easily in the ear canal, allowing them to seal gently and snugly without pressure. HUSH™ offers superior noise-blocking performance in a single-use disposable earplug. Manufactured from soft polyurethane foam, HUSH™ delivers superior long-wearing comfort and performance your workers can depend on. ANSI S3.19 - 1974 and CE EN 352-2 certified.