Professional grade 35mm Polyester / Mylar black & white Twist film processing leader in .005 inch ( 5 mil / 127μm ) thickness and 1000 foot rolls (304.8m spools).

Available in 2 lengths and in Kodak Standard (KS) Perf, Bell & Howell (BH) Perf, and Non-Perforated options.

Polyester film leader may also be generally referred to as Mylar, PET, or Kodak ESTAR.

This product is typically used in Laboratories / Processing / Machine Leader, but suitable for Archival, Editorial, and black-out tail leader as well.