#123 - Clear mylar
#123Y - Yellow mylar
Designed for press type cutter
(48.0mils w/o liner) Tan rubber with medium tack rubber adhesive, mylar sheet, and a light blue liner.
#123Y Yellow mylar is available in widths of 18-3/4", 25", and 30"     10 yards only
#123 Clear mmylar is available in widths of 12-3/4" (2 rolls per case), 15", 18-3/4", 25", and 30"     10 yard rolls only