Features and Benefits:•Works with airless, hot-air, and nitrogen plastic welders.•Square edge profile resists curling during repair process.This Polypropylene flat strip measures 3/8" (9.5 mm) x 1/16" (1.6 mm). Orange pigment has been added so it will create a more invisible repair on orange polypropylene parts. Each piece is 1 foot long (30.5 cm) and there are 5 pieces in the package for a total of 5 ft. (1.5 m).