Mack's Pillow Soft (R) Silicone Putty Earplugs. 6 pr. Great for swimming. NWOT.

Mack's Pillow Soft (R) Silicone Putty Earplugs. 6 pr. Great for swimming. NWOT. #1 Doctor recommended, maximum comfort. Snore proof, water proof (Official earplugs of USA Swimming). Helps prevent swimmer's ear. Noise reduction rating 22 dB. Can be used for sleeping, snoring, swimming, travel, concerts and studying. Made in USA. B003LZQGN6. New in package, never used.