- 0.44 in x 1 in labels
P1 Cassette, Heat Shrink Tubing, Mil Grade Polyolefin, 1-inch Wide x .44 inch High, White. Fast loading P1 Label Cassette includes both label material and ribbon to make changing labels easy. Meets print performance requirements of MILM81531 and MILSTD22F Method 215A, Solution A, C and D. Meets UL Standard 224 for flammability. Shrink ratio 3 to 1, Non-adhesive flattened heat shrinkable polyolefin for wire/cable identification.