Practically perfect if lon compares this type foam cap shape memory. Although i a fairly complex auditory canal jai put the plugs with ease to the help of the applicator provided for. Lon immediately senses that sounds are muted. Acute disparaisses and remains that low frequency that are very difficult to remove completely. I havent felt any discomfort even at the end of a time, same as when I put the night. The advantage is undeniable that they are cleanable and reusable very numerous times. The top in terms of earplug.
