HOWARD LEIGHT MAX-1 UNCORDED NR33 FOAM EARPLUGS

Highest noise reduction rating of any single-use earplugs;
Bell shape matches contours of your inner ear to ensure maximum noise reduction
and resist tendency to back out of ear canal
Smooth, soil-resistant closed-cell foam skin helps prevent dirt build-up
Polyurethane foam enhances comfort, especially for long-term wear;
Noise Reduction Rating 33
The world’s most used polyurethane foam earplug
Contoured bell-shape easier to insert