Moldex SparkPlugs Extra-soft, low-pressure foam for comfort and fit with a tapered shape for easy insertion and removal;Tested and certified to EN 352-2:2002, making them suitable for most noisy environments;Random multi-coloured swirl, so comfortable you'll forget you're wearing ear plugs!;While they look like fun, they provide serious protection;Shaped to fit even very small ear canals, Non-irritating smooth surface, 100% PVC-FreeMoldex