America's No. 1 selling! Doctor's choice for sealing out water, reducing noise and for use with ear tubes. The original silicone. Snore proof; Water proof. Swim, sleep, study, shower, work, travel, water sports, loud events, flying discomfort, etc. Helps prevent swimmer's ear. Made with non-toxic, hypoallergenic silicone putty. 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 U.S.A. Brand: Mack's Color: White Dimensions: height: 173 weight: 140 length: 402 width: 102 Features: 2 count per box For sealing out water, reducing noise and for use with ear tubes Can be used for sleep, study, shower, work, travel, water sports, loud events and flying discomfort Helps prevent swimmer's ear Made with non-toxic, hypoallergenic silicone putty null null null null null