The Caboflex™ band-style hearing protector features soft, conical tips that swivel for easier fitting and greater comfort. Silicone pods contain foam plug core for secure fit and high noise reduction. Flexible band can be worn under the chin for use with hard hats. Noise Reduction Rating (NRR) 20 dB when the band is worn under-the-chin. 17 dB when the band is worn behind-the-head. 10/bx. 10bx/cs.