23.6mm (0.93in) x 1.5m (4.9ft) Size Heat Shrink Tubing Black on White Recommended for 7.3-14.3mm (0.29-0.56in) Outside Diameter 2:1 Shrink Ratio / 300V / 125°C (257°F) / VW-1 HSe tube is a printable heat shrink tubing designed to mark cables, fiber and wires.