ITEM NAME:Heat Shrink Tubing Electric Insulation Tube Heat Shrink Wrap Cable Sleeve 328Pcs.Quantity: 328pcs. Supplied format ( round or flat ): Product is supplied flat. Full Shrinkage Temp: +110à ±Ã‘Æ’C maximum. Material: Polyolefin. 16pcs x 14.0 x 80mm (Yellow,Black,Red,Blue). 16pcs x 10.0 x 80mm (Yellow,Black,Red,Green).