1 1/2 inch x 44' black (10 rolls) 3M 88 electrical tape. Premium grade, all weather, vinyl insulating tape. Handles temperature range of 0 to 220 Degrees F. Excellent resistance to abrasion, moisture, alkalis, acids and corrosion. Rated for wire and cable splices up to 600V. PVC backing with pressure-sensitive, rubber based adhesive.