How to make a face mask | Singer® Hong Kong – SSMC Ltd.
5 Sew the lower part of A and the upper part of B together. 6 Sew the thin elastic bands at the left and right side of B to form ear loops. Make sure the length of the bands does not make the mask too tight or loose. 7 Cut out the pieces with seam allowance according to the pattern. This is for the inner layer of the mask.