ALTA Filter Pocket Face Mask with Included FILTER PACK & NOSE BRIDGE is constructed of 2 layers of fabric. This mask features elastic head straps and has pockets for inserting the included flexible aluminum nose bridge and the included disposable filters. FEATURES: 100% Cotton Construction on 2 Layers for Black, Khaki, and Gray Masks Nylon Outer Layer & 100% Cotton Inside Layer for Digital Camo Mask Elastic Head Strap for a Comfortable Fit Includes 1 Flexible Aluminum Nose Bridge for a Customized Fit Includes 5 Disposable Filters Flat Face Design With Fold-out Flaps for Complete Coverage  Machine or Hand Washable ( Do Not Wash With Filters or Nose Bridge ) Mask Can be Worn With or Without Filters or Nose Bridge Tumble Dry on Low Setting Nose Bridge Pocket Filter Pocket  One Size Fits Most NO RETURNS ON FACE MASKS - ALL FACE MASK SALES ARE FINAL NOTE: These masks are not meant for medical or clinical use and are not “N-95” or medical-grade masks. Proper use of these masks will not guarantee protection against COVID-19 or other diseases. Further, the use of these masks should not replace other recommended measures to stop the spread of COVID-19 or other diseases. Please continue to follow all CDC and other public health guidelines including practicing social distancing, washing your hands, and refraining from touching your face.