Healthy, reusable masks by Hidesign are 99%+ effective. Handcrafted in five layers using 100% Cotton, support fabric and two layers of filters each with 95% effectiveness makes this mask a Samurai. Breathe easy, stays cool and keeps you comfortable, the mask has adjustable, round elastic bands and a nose clip. Made in non-allergenic 100% cotton with vegetable tanned leather details this mask is designed for protection.