[ABS material]: Our hearing aid wax guards are made of high quality ABS material, which is safe, environmentally friendly, wear-resistant, stable and sturdy. This helps to keep the performance of hearing aids stable and effectively prolong the service life of hearing aids. Mini size design, professional accessories for hearing aids. [HEARING AID EARWAX PROTECTOR]: Our hearing aid earwax protector prevents earwax, dust and other foreign objects from clogging the speakers. This reduces the problem of equipment failure caused by foreign objects clogging the hearing aid, which can effectively extend the service life of the hearing aid and keep the hearing aid speaker in good and normal condition. [Easy to install]: Our cerumen filter baffle accessory can be installed in just three steps. To install, all you need to do is to rotate the disc clockwise, place the old shield into hole 1, and then install our product onto the hearing aid through hole 2. There are two arrows and numbers 1 and 2 on the package to guide you to replace the product in a simple way. [WATER AND OIL RESISTANT]: Our hearing aid ear wax protectors are protected by nano-coating on the surface, which makes our products water and oil resistant. These features make it difficult for water or oil to adhere to the product, thus preventing earwax from accumulating on the acoustic mouthpiece of the receiver and improving the durability and reliability of the hearing aid.