Filled with silicone to the ear to reduce pressure and increase comfort, better sealing, protection of long-term use of hearing protection headphones folded hearing Compatible with Howard Leight by Honeywell Earmuff, Impact Sport, Pro, Sync, series of hearing protection earmuffs, replace your safety earmuffs with better quality ear pads. Quick and time-saving installation, snap-in design, just pop out the old sponge ear pads and snap in the new silicone ear pads. The gel ear pads make this ear defender set so much more comfortable and it is a great release for people who need to wear hearing protection long hours,like Range Safety Officer,police firearms instructor,etc. Easy to clean, can use soapy water to wipe the surface. Filled with silicone to the ear to reduce pressure and increase comfort, better sealing, protection of long-term use of hearing protection headphones folded hearing