Colored PVC heat shrink tubing is great for general-purpose applications. Flame retardant. Continuous cooperation temperature: -30 Deg (degrees) C (Celsius)/ -22 Deg F (Fahrenheit). Shrink temperature: 110 Deg C/230 Deg F. Inside diameter before: 1/4-inch, after: 1/8-inch. Conductor gauge No. 20 to No. 12 AWG. 8-feet long. WARNING: This product can expose you to chemicals including DEHP which is known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - Diisononyl phthalate (DINP)