Product Overview: These Foam Pu Ear Plugs Are Designed For Comfort And Noise Reduction. Suitable For Use In A Variety Of Environments, They Help To Ensure A Quieter Experience. Key Features: ‣ Soft Foam Material: Provides A Comfortable Fit For Extended Wear. ‣ Noise Isolation: Effectively Blocks Out Distracting Sounds. ‣ Reusable Pack: Includes 4 Ear Plugs For Convenience.