DYMO 91331 LT Plastic Tape Cassette for LetraTag Label Makers, Packaged in Easy-to-Load Cassettes, 1/2-inch x 13 Feet, Black on White, Pack of 6. Created specifically for the LetraTag label maker, DYMO LT labels are packaged in easy-to-load cassettes and feature an easy-peel backing for trouble-free application. Versatile, durable LT labels take the hassle out of home and office organization