... :9mm,12mm,18mm 3.Packing specification:20pcs/box,8boxes/ctn 4.Inside length:8m 1. consist of six layers of materials ... , goods mark, interface mark, goods shelf mark, lab things mark, server mark, switch panel mark, serve direction mark, operate show mark ... etc.4. Color: red, yellow, green, clear, white, black. Lable tape compatible for Brother TZ-231 barcode label tape label printer box ...