30pcs x 2.0 x 40mm 25pcs x 2.5 x 40mm 20pcs x 3.5 x 40mm 20pcs x 5.0 x 40mm 16pcs x 7.0 x 80mm 8pcs x 10.0 x 80mm 8pcs x 13.0 x 85mm Product Specifications: Size: 2 mm, 2.5 mm, 2.5 mm, 3.5 mm, 5 mm, 7.0 mm, 10.0 mm, 13 mm Color: As Pictured (Black) Material: Polyolefin Shrinkage Ratio: 2:1 (Shrinks up to 1/2 of diameter) Full Shrink Temperature: Max + 110 ℃ Compatible Temperature: -55℃? + 125 degrees Celsius Performance: Non-toxic, flame retardant, flexible Certificate: UL Listed, Lighter or Heated with a hair dryer. After shrinking, it lays firmly around the protective area. The main application range is the insulation of electronic wires.