Description Moldex 6401 earplugs featured a cord between plugs to allow hanging round the neck and making them harder to lose! 6401 Rockets corded earplugs have an air bubble in the tip and together with the contoured flange design, this ensures maximum comfort for the user. Moldex 6401 Rocket Cords Disposable Earplugs Features 100% PVC-Free® Independently tested NRR 29, with a new sound dampening additive NRR 29 gives protection in most noisy environments Easy grip handle lets ear plugs easily slip into ear Air bubble in tip provides cushioned comfort Earplugs can be washed and reused The soft material of the plug provides a comfortable seal within the ear canal and they can be cleaned, enabling repeat use. The solid polypropylene handle ensures easy insertion and the cord is manufactured as an integral part of the plug. This hearing protection has a single number rating (SNR) of 29 dB. The ear plugs come with a plastic container to conveniently store and transport this personal protective equipment.