Features: 1. The inhibition of 99.98% of harmful bacteria silver ion can weaken the triple mechanism of sulfur-containing protein locking cells by controlling oxygen delivery enzyme. It is impossible to break through the triple mechanism of anion by rapidly controlling bacteria on the surface of substances and inhibiting their continuous breeding. 2. The buckle design is easy to take and place, the buckle is opened and closed, the mask is not easy to fall out, and the operation is labor-saving and easy to take. 3. Food grade environmental protection PP material mask adopts food grade environmental protection PP material, non-toxic and tasteless Description: The product material can be used for food grade environmental protection PP material secondary mask, kn95 mask and other applicable scenarios. The product packaging is carried out / inside the bag / desktop storage. Specifications: Color: White/ Pink/ Blue (optional) Material: Food Grade PP Size:<span>190*110*12mm</span> Shape: Rectangle Suitable for : Various kinds of Masks Package Included: 1 * Mask Holder Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. . 2. Please allow slight dimension difference due to different manual measurement.