Earhub Sleepwell Purple Soft Foam Earplugs 10 Pairs are self-adjusting. The foam gently expands to fit virtually every wearer. Reducing noise by 33 decibels (SNR 33dB). Made from non-toxic latex free material, the light, dense, contoured T-shape foam earplug ensures all-day comfort and protection from noises. Earhub Sleepwell Purple Soft Foam Earplugs have been designed to comfortably reduce harmful or irritating noise for a better nights sleep. Perfect for light sleepers and comfortable to wear all night long. Made from non-toxic latex free material, the light, dense, contoured T-shape foam earplug ensures all-day comfort and protection in a wide range of working environments. The instructions are simple and easy to follow to ensure you get the perfect fit whilst using. Ear Hub earplugs give you hearing protection and comfort whilst sleeping, studying, shooting, traveling, flying, concerts, sports events, fireworks display, working and all noisy environments. Key features of Earhub Sleepwell Purple Soft Foam Earplugs 10 Pairs Reduces noise by 33 decibels (SNR 33d B) Made from non-toxic latex free material Hearing protection and comfort whilst sleeping, traveling, flying, concerts, sports events, fireworks display, working and all noisy environments Self-adjusting