Jackson Earmuff - Vibe 23 New innovative design Adjustable, soft padded headband that adjusts to fit all head shapes and sizes Durable thermoplastic material retains its shape and pressure for consistent noise reduction Provides uniform headband pressure for a comfortable & secure fit Well sized inner-hole that provides plenty of room & comfort for the ear Design that’s flexible and durable Dielectric product 23 NRR over-the-head For low noise environments - Ideal for use with lawn mowers, light industrial work, and Traffic Noise Warning These hearing protection products help prevent hearing loss against certain noises. To provide proper protection, the hearing protector should be (1) suitable for the job, (2) fitted properly in/on the ear, (3) worn during all times of exposure to noise, and (4) replaced when damaged or otherwise necessary. Failure to fit and use hearing protectors according to these instructions will reduce their effectiveness. Failure to wear hearing protectors 100% of the time that you are exposed to hazardous noise may dramatically increase your risk of developing hearing loss. Free standard ground shipping within contiguous U.S. Availability: Usually ships the next business day. 3015087$12.50 What does the NRR number mean? (Requires Adobe Acrobat Reader)What does the NRR number mean? All prices shown are in U.S. Dollars The Cyberweld® name, logo and the slogan "Weld with your mouse"® are registered service marks of: J.W. Goodliffe & Son, Inc. 1900 E. Elizabeth Ave. P.O. Box 4370 Linden, NJ 07036 (800) 419-0580 FAX (908) 486-9366 Phone answered live M-F 8:00am to 4:30pm EDT © 2000 - 2010. All rights reserved.