Replacement gel ear cushion is cover by glossy TPU,with great extended and sturble ability and is easy to clean up.
Compatible for - WorkTunes Connect (90543), Peltor Sport Shotgunner II (97040), Ultimate (97042), Tactical 300 (TAC300), Tactical 500 (TAC500), 3M (90565), (90566), not recommend working with comtac iii headset,size not fit perfectly.
Silicone earmuffs are softer, have a better seal, will have better noise blocking and protect your hearing better
Instllation Way - Pop the original pads off by fingers, align one side of pads in the case groove and then while press on one side with one hand use your thumb of the other hand to apply pressure until gel pads pop in place totally.
Wearing hearing protection with gel pads when use your chainsaw, electric saw, etc, all of which is more comfortable than sponge cushions.