Blox Concentration Earplug, noise reduction auditory protections, are especially designed for concentration.<br /><br />They are made out of foam with a stick to facilitate insertion and removal (no need to roll the earplugs in fingers), and are also perfectly suitable for having a rest when travelling, or for loud leisure activity.<br /><br />This model is very performant thanks to its high level of noise reduction (-35 dB).<br /><br />Box of 3 pairs.