Peltor Sport ear cushion customizable ring set comfortable foam ear cushions with easy snap-in replacement. Personalize earmuffs with addition of color. Recommended replacement of worn or damaged ear cushions after 6 months of use. Compatible with Peltor Sport Rangeguard, tactical 100 electronic earmuffs. Bring some style to safety with Peltor Sport ear cushions customizable ring kits. Compatible with Peltor Sport tactical 100 and Rangeguard electronic hearing protectors, these comfortable foam ear cushions can be used to replace worn/damaged rings or to help identify your hearing protectors among others at the range or in a group. Plus, they're great for team sports or other events where personalized colors are needed.