Excellent flame-retardant, flexibility and insulation properties for insulation, bonding and corrosion-proofing of cables, rods, tubes and aerials. Includes sizes: 150 x 3mm (blue x 10, yellow x 10, red x 10 and black x 40), 150 x 8mm (blue x 5, yellow x 5, red x 5 and black x 10). Handy storage case.