The high-quality three-layer bacterial filter material, specially designed for children, can prevent side leakage and has unparalleled comfort. Starting from the customer??s experience, the ears will not be tight for a long time, skin-friendly, dust-proof, anti-fog and saliva splashing, thus providing safer, more comfortable wearing and tighter protection. We fully understand the needs of our customers and strive to provide you with comfortable and reasonably priced products to improve your quality of life.