EARPLUGS, UNCR POLYBG (200PR/BG 10BG/CS) McKesson Foam Ear Plugs Helps prevent hearing loss; provides a Noise Reduction Rating of 32 decibels (NRR: 32 dB) Uncorded Made of low-pressure, slow-release polyurethane foam Bullet-shaped foam features 20-45 second rebound time; conforms to the shape of the ear canal for a secure and comfortable fit Perforated notch on individual poly-pack (pair) enables easy opening Disposable for hygienic and convenient one-time use Offer low-profile hearing protection that can be used comfortably while wearing helmets, hats, and hoods Bulk packaging contains 200 individually wrapped pairs in a convenient zip-closure polybag Highly visible, bright orange color helps ensure usage and promotes safety Great for work, travel, yard work, wood working, construction, concerts, sleeping, studying, motorcycling, and loud events Quality product meets industry standards, including CE EN3522, ANSI S3.19, AUS/NZS1270:2002, ISO9001:2015, BSI, BSCI 2.4 cm x 1.3 cm (0.9 in x 0.5 in) Not Made with Natural Rubber Latex Packaged: 1 Pair Per Pack, 100 Packs Per Bag, 10 Bags Per Case