Premium quality at a competitive price through innovation. The unique ridged stem of Alphas allows the user to get a solid grip on the earplug for ease of insertion and removal, even when wearing gloves. Economic and reusable, corded and uncorded. Corded option with cool cloth cord. Pocket-Pak Plus provides hygienic storage of plugs between uses. Independently tested NRR 27 - Like all Moldex products and packaging, Alphas are 100% PVC Free. It’s another way to help keep materials out of landfills that can produce toxic residue.