1. Size: 15x10.5 cm/piece 2. Material: PS/PP 3. Weight: about 11g/piece 4. Thickness: 2 mm 5. Function: Anti-spitting 6. Applicable occasions: Various service occasions such as restaurants and canteens 6. Features: Transparent and anti-fog, recyclable, smooth and round without hurting the skin, comfortable to wear, lengthen the distance from the face, breathe smoothly, not sultry, healthy and hygienic, environmentally friendly, safe and odorless
