Total count = 10 MultiMax Earplugs by Howard Leight (Honeywell).  Standard issue for pilots at the world's largest airline. These earplugs can be inserted 2 ways.  One way for regular sized ear canals and the other way for smaller ear canals.  Noise Reduction Rating (NRR) of 31 decibels (dB).

*Free shipping to 50 states, U.S. territories and APO.  P.O. boxes OK.  Ships from Utah.  International shipping available.  No handling charges.