Moldex Flip to Listen Dual-Mode Earplugs comes with flip cap in the stem that is when the cap is closed it offers 24 NRR dB protection and when flipped open offers lower level of 4 NRR dB protection. It provides a secure fit and all-day comfort by triple flange design as well as it can be washed and reused. It includes Pocket-Pak? carrying case that offers hygienic storage of plugs between uses and cloth cord that can easily be attached to the earplugs.