Anycolor 8.8mm Heat Shrink Tube Combo Set HSE-221 HSE-621 Compatible with Brother Label Printers PT-E500 and PT-E550W (0.34" x 4.9' Pack of 2) Color: Black on White (HSE-221), Black on Yellow (HSE-621); Size: 0.34" (8.8mm) Width x 4.9' (1.5m) Length The heat shrink tubes are perfect to mark cables, fibers and wires 12-month warranty against manufacturer defects and quality-related issues. Outstanding pre-sales and after-sales customer service team 100% Compatible with the Original Brother Heat shrink tube HSE-221 & HSE-621 Completed Compatible for Brother Label Printers, including PT-E300, PT-E500, PT-E550W, PT-P750WVP