<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Protection class: N100</span></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Gross Weight: 26g</span></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Color classification: pink, sky blue, dark blue, dark brown</span></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Material: 100% cotton</span></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Function: anti-sleep mouth</span></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">Prevent sleep mouth mouth mask, anti-snoring, mouth dry mouth, mouth breathing appliance, improve mouth breathing, cotton material. Mouth breathing, harm, and develop the habit of breathing with the nose and habits is necessary, vigilant mouth will become ugly breathing!</span></span> </div><p></p><div> <span style="font-family:georgia, serif;"><strong><span style="color:rgb(0, 0, 0);"><span style="font-size:24px;">principle:</span></span></strong></span> </div><div> <span style="font-family:georgia, serif;"><span style="font-size:22px;">The bottom of the masks will be tied to the chin stuck, the middle of the beam so that the upper and lower lip affixed to a piece, so the mouth is difficult to open, tongue can not shrink, auxiliary nose breathing.</span></span> </div><div> &nbsp; </div><div> </div><p></p><p></p><div> HANRIVER <br> </div><br></div></div>