●Wear Small?|Cloth coverings(8inches x 4inches), please kinldy note covers size before order. ●Breath difficult?| Inner white gauze with small gap. Before wear,suggest make inner thin cover of the valve open up,will be more breathable.This cloth coverings built-in filter pouch, filter inserted will be little difficult to breathable. ●Wear tight?|Elastic loop that is adjustable for ears. ●Wear uncomfortably?|If you order cloth coverings with little fibers inside, suggest that cut them before wear. ●Tips: Wash it before wear this cloth coverings.(The cloth coverings can be washable.)