Product Description & Product Data: 1. Our 3D mask holder is made of soft PE material, strictly adhering to the golden triangle ratio of the nose, mouth and chin, which can better fit the contours of the face. Can fit many different face shapes. The inner frame of the soft mouth and nose mask will not scratch your face. Note: If the mask's internal support frame keeps slipping down, you can try using double-sided tape before use. 2. In hot weather, the mask holder's hollow design can avoid clogging from wearing a mask, is breathable, and can avoid problems such as acne and allergies caused by close contact with the mask. It can also effectively expand the breathing range and reduce breathing resistance. In winter, the Washable Silicone Mask Bracket can be more friendly to glasses wearers and prevent glasses from fogging to a certain extent. 3. The edges are smooth, will not scratch the face, and fit the face snugly without leaving a trace of the clamp. The air you breathe with a mask is also fresh. The mask internal holder gives you enough breathing space for your nose and mouth. Product advantages: 1. Easy to carry 2. Easy to use 3. Enlarge breathing area, breathable 4. Fits the face without causing pressure points 5. Washable and reusable Specification: Material: PE Color: White Size: 103* 83 *40mm Weight: 8g/piece Scope of delivery: 20 x mask holders Note: 1. The product sold is only a mask holder, other accessories in the picture are not included.