New generation Elvex Blue™, foam ear plugs with easier insertion and a noise reduction of 32 NRR! Unique Bell Shape. Elvex Blue Features: Elvex Blue foam plugs are easy to insert correctly due to their tapered shape and slow expansion rate. Elvex specially formulated low pressure foam provides the most comfortable fitting foam plug on the market. One size fits all! The dimensions of Elvex Blue allow virtually every ear canal to be fitted correctly. High visibility color makes it easy to monitor and enforce proper ear plug usage. Elvex Blue has a Noise Reduction Rating of 32 dB. Tested to ANSI S3.19-1974 by an independent laboratory. Elvex Blue is CE certified and tested to EN-352-2 by INSPEC Laboratories in the UK. Single Number Rating (SNR) is 36 dB. Multilingual Packaging, English, Spanish and Chinese, assures that proper usage information is available where the plugs are dispensed. Available in Two Styles: Corded - comes in boxes of 100 pair. Uncorded - comes in boxes of 200 pair. Availability: Usually ships the same business day elblufoamear$20.95Style: EP-251 No Cord/Box of 200EP-253 Corded/Box of 100 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.