Rainbow Pack Electrical Tape Case 100 Roll 7 mils 3/4" x 66 ft Roll 7 mil 10 - 10 packs 10 Packs, one of each color (pink, white, grey, red, blue, green, yellow, brown, black, orange (No Purple) Is a Plasticized PVC film with a rubber based adhesive in OSHA colors. For cable coding, quick identification of electrical phases, circuits, feeders and branches.