EarplugsMckeon Prod1. Reach over head and pull up and back on outer ear to straighten ear canal. 2. With opposite hand grasp earplug stem and insert by pressing forward in a circular motion to form airtight seal. CLEANING INSTRUCTIONS: Wash with mild soap and warm water. Dry thoroughly before reinserting into ear. Store in original case.Uses:Dual purpose earplugs (water noise) with removable cord. Reusable and washable. Incredibly soft seal rings for extreme comfort. Seal out noise: 27 NRR for power tools loud concerts shooting racing events etc. Seal out water: swim shower bathe water sports. Noise reduction rating: 27 decibels (when used as directed).Remove earplug slowly with twisting motion to gradually break the seal. Due to the excellent seal characteristics rapid removal may damage eardrum. Do not use cord for removal. Do not push earplug into ear so far that you are unable to easily grasp stem with thumb and forefinger. Remove cord with firm tug for water activities or where there is a risk that it may get caught up during use. Earplugs should be worn at all times in noisy surrounding. Improper fitting or disregard of the above recommendations will reduce effectiveness and could result in hearing loss or injury. Keep away from infants and small children. This product is non-toxic but may interfere with breathing if caught in windpipe or if cord is wrapped around neck which could lead to serious injury or death. Do not use for scuba diving or at depths over 10 feet. NOTE: Do not use with solutions disinfectants or chemicals. This product may be adversely affected by certain chemical substances. Earplugs should be inspected regularly for serviceability. If they become hard torn or deformed they should be replaced. CAUTION: USE ONLY AS DIRECTED.