Brady XPS-125-1 IDXPERT PermaSleeve 0.235" Height, 1.015" Width, B-342 Heat-Shrink Polyolefin, Black On White Color Wire Marker Sleeves (100 Per Cartridge) Label tape made from Brady's B-342 Polyolefin PermaSleeve Marker material, a non-adhesive, heat-shrinking sleeve that fits around wires or cables for insulation and easy permanent identification 3:1 heat-shrinking wire marking sleeve is ideal for labeling in harsh environments and is resistant to exposure to chemicals, grease, oil, and cleaning agents Cold resistant and flame-retardant with an operating temperature of -67F to 275F (-55C to 135C) Meets SAE-AMS-DTL-23053/5C (Class 1), SAE-AS-81531, MIL-STD-202; RoHS Compliant; and UL Recognized Compatible with the IDXPERT handheld label printer, permasleeve wire labels are an indispensable asset for electrical contractors, maintenance crews, construction teams, and industrial professionals