Earpiece Earmold Features It is suitable for universal acoustic tube earpiece Soft and comfortableNot easily deform faded and durableThe different size(large, medium, small) Usage Experience Soft silicone makes our earmold alternative to any acoustic tube eartip and comfortable enough to forget it's there. Included Material: silicone Color: black Size: large Weight: 8g Quantity: 2 pairs Designed Specifically for Clear Acoustic Tube Radios Transparent acoustic tube transmit sound in high quality and effectively protect the eardrum from sound wave impact.The earmold is designed to prevent slipping effectively, securing them stay in place during a vigorous activity. Occasion Applicable Perfect for law enforcement, firefighters, medical professionals, concert, security, athelte, soldier and any other activity.