2 pairs of Moldex Spark plugs in a reuseable pocket pack container that keeps your ear plugs clean and ready to use. 100% PVC-Free. Improved, softer foam for maximum comfort. Non-irritating smooth surface. Tapered shape for easy insertion and removal. Shaped to fit even very small ear canals. Technical Info: Approved to EN352-2:2002, H:34 M:32 L:31. SNR:35. Please note that the colour of plugs and case may vary.