Made From Flexible Memory Foam They Can Be Quickly And Easily Rolled To Fit The Ear Canal, Yet They Return To Their Original Shape When Not In Use. Fully Reusable And Comfy To Wear, These Foam Ear Plugs Are Supplied With A Convenient Travel Carry Case Ensuring They Stay 100% Hygienic At All Times.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }