Shanghai Fanshu Trading co.,LtdCompany ProfileCustom Services For Face Mask 1. Material-- Widely Used Material Is Polypropylene, Including Spun-Bond & Melt-Blown. Material Like Spunlace Or Other Non Woven Material Are Also Available. 2. Weight/Thickness-- 99% Of The Type Masks Are Made Of 3 Ply, Total Weight Is About 60-90g/M2.-- According To Our Sales Record, Clients Who Decided To Order Earloop Mask Chose The Following Types In The End. 3. Size-- For Adults: 17.59.5cm-- For Teens/Ladies: 14.59.5cm-- For Kids: 12.58.5cm, 127cm