High Quality Tubular or Flat Elastic. Various widths • lengths • Military Specs Materials: Polyester • Nylon Options: Black or White • Berry Amendment Available Uses: Mask • Face Shield • Medical • Military Mask Elastic• N-95 Additional: Ventilator • Chemical Mask • PPE • Oxygen Mask • Helmets • Respirator and more Hook & Loop: various widths • lengths RF Welded • Military Specifications Webbing: various widths • Materials • lengths • Military Specifications *** Click on picture buttons for additional Mask Strap options***