HandyStrap allows mask to hang down loosely and comfortably around the user's neck when not in use Cloth HandyStrap feels cool and comfortable Soft foam nose cushion for added comfort and less pressure Dura-Mesh® shell resists collapsing in heat and humidity Molded nose bridge seals easily without a metal noseband Facepiece is naturally contoured for less pressure Softspun® lining for increased comfort and durability NIOSH certified to have a filter efficiency of 95% against non-oil based particulates Certified under 42CFR84 Meets heat and flame resistance in accordance with ANSI/ISEA 110-2009 Section 7.11.1 Available in three sizes, for most workers and OSHA compliance 100% PVC-Free, like all Moldex products & packaging - for a greener alternative