Safeguard your hearing and listen to the sounds you came to hear with these reusable Killnoise ear plugs. Designed to block noise and preserve sounds, these are the ideal ear plugs to take with you to theatre productions, concerts and gigs, and sporting fixtures. Instructions: 1. Straighten out the auditory meatus by pulling the outer ear upwards. 2. Grab the ear plug by the stem and with a light twist, push it into the ear canal. Care: After usage the ear plugs should only be washed with mild soap and water as chemicals can affect the product. If the recommendation is not followed, the protective function of the ear plugs can be decreased.