This Polypropylene flat strip measures 3/8 in. (9.5mm) x 1/16 in. (1.6mm). Black pigment has been added so it will create a more invisible repair on black polypropylene parts. Each piece is 1 foot long (30.5 cm) and there are 30 pieces in the package for a total of 30 ft. (9.1 m).