1977 vintage sewing supply.
RED 100% Polyester Lightweight Knit zipper
20 inches
50 cm.
Designed for all fabrics: Wovens and Knits
Soft and flexible
Runs smooth, secure in use
Style #1251 Made in the USA
Contains special instructions for the application of knit zippers
The packaging is worn and may have been opened for the photograph shown here, but the zipper is new old store stock and unused.