Here for the Gains, not for the Germs. 

The CORPS Tactical® Face Mask has an ergonomic shape, 3 layers of soft material and an adjustable nose wire to give you a secure, comfortable and breathable fit while you train. Can be laundered and machine dried without damage or change to shape and comes in a pack of 2 so a clean one is always available while washing the used one.

Specifications:

Length: 180mm (7.09 inches)
Width: 120mm (4.72 inches)
Height: 3mm (0.12 inches)
Weight: 16 grams (0.56 Ounces)