Description: Absolutely a Must for all Dentist, Assistants, Hygienist, and Technicians who want to save their hearing.The Ear Safe is a new custom-made audio protection ear piece that utilizes the same technology that professional musicians use when protecting their ears against high frequency sounds. The Ear Safe uses ER-15, which reduces the noise of high frequency sound enviroments by 15dB to provide maximum hearing protection against hand pieces, saliva ejectors, and air noise.These custom molded earpieces are made of a polyvinychloride material, used by the hearing instrument industry for years. They no only protect your ears, but they are comfortable to wear too. Ear Safe is custom made for comfort and engineered for protection. Invest in your future hearing and protect yourself from "dentist ear" with the Ear Safe Kit includes: Impression Technique CD Manual Impression Gun Impression Cartridge with tip Otoprobe Ear Light 1 pack of each: small, medium, large ear dams