Decibullz | Custom Moulded Percussive Filters Ear Plugs

Decibullz Percussive Filters are the last stop for protecting those ears
from the peak sound pressure, without having to carry the large, clunky
over-ear muffs. The technology allows for maximum ear protection with a
Noise Reduction Rating at NRR 31. These pieces can be heated and
custom-molded to fit any ear perfectly. Oh, and unlike electronic
hearing protection, they never need batteries.