SMSM-1424 Packing Specification: 50 Pcs/Box Size: Adult Storage Condition: Store in ventilated, Dry, Sanitary and non corrosive gas place, Avoid direct sunlight and close to high temperature Shelf Life: 3 Years Packaging Size: 110*200*90mm. Standard: Medical Mask ASTM Level 2, TH FDA, TISI 2424-2562, AATCC 6538, ISO 9001:2015, Made in Thailand