The planet waves comfort fit foam ear plugs are here to keep your hearing protected. Its your most important instrument so its vital that it remains undamaged! And what better way is there to keep your ears functioning than in total comfort? None! Thats why planet waves have made their ear plugs from a slow recovery comfort fit pvc foam to keep you rocking all night in blissful luxury. And even better those loud stages and raucous jam sessions will become much more bearable thanks to the up to 29 db noise reduction these offer.