The ultimate in earplug comfort, Mack's silicone putty molds to the unique contours of any ear. The original silicone putty. No. 1 doctor recommended brand. Snore proof. Water proof. Swim, sleep, study, shower, work, travel, sports, loud events, flying discomfort, etc. Helps prevent swimmer's ear. Noise Reduction Rating: 22 decibels (when used as directed). The range of noise reduction rating for existing hearing protectors is approximately 0 to 30 (high numbers denote greater effectiveness). Made in USA.
1. Make sure hands and ear openings are clean and dry. Shape whole plug into a ball. 2. Place over ear opening and flatten to form airtight seal. Avoid hair. Do not insert into ear canal! To loosen and remove, press up behind ear. Discard when soiled or no longer sticky (up to 5 uses). For best results when flying, wear earplugs entire flight. Made with non-toxic, hypoallergenic silicone putty. Do not cut, break apart or elongate earplugs.