Earmedic low-pressure polyurethane foam expands gently inside the ear canal for comfortable long-term wear. Features * 35 SNR dB reduction * Self-adjusting polyurethane foam expands to fit virtually every wearer * Bullet shaped for easy insertion and wear Purchase this and you get: * 5 Pairs of comfortable PU foam ear plugs in carry cases * A good night sleep from noise neighbors * A quiet afternoon to focus on your work/study * A healthy hearing after working in a heavily noise polluted environment * Painless ears after wearing them How to use: * Roll with your fingers to make plugs thin enough to insert * Pull up on your ears to make inserting easier * Push plugs in and hold them in place for 20-30 sec to fully expand Inspect and pull on plugs gently. If they fall out they were not inserted far enough. They should not stick out once properly inserted but should not cause any pain either. Remove immediately if later is experienced and try again. Enjoy the silence Avoid overprotection in minimal noise environments, in selecting the best earplug for your situation consider noise levels and your need to communicate with co-workers or hear warning signals on the job. Inspect earplugs prior to wearing for dirt, damage or hardness discard immediately if compromised. For proper hygiene, discard 'Single Use Earplugs' after use.