Straight - 3" long x 3/16" wide
Contoured - 4" long and 3/16" wide
Stainless steel inserts for homemade cloth masks. These are inserts easily formed to the contours of anyone's face and have two holes on either side for easy attachment. The 304 grade stainless steel is also easily sterilized. 50 Straight and 50 Contoured - Total of 100 inserts