Continous use Temp: -60 To 220 Celsius Degrees, hardness: Approx 50 +/-5 Shore Function: Anti-slip, temperature resistance, insulated,Application:For industrial use,high and low temperature use,Material: Silicone Rubber sheet. Packing including:1/32x 11.8x19.7 inch (0.8x300x500mm) Clear Silicone Film.Silicone Rubber works well as an electrical insulator for surge protectors and transmission and energy distribution substations.applications in gasket, keypad protection Notes on uses: Please remember to remove protection film from BOTH sides. Question: Does this stretch ?Answer: No stretchy to it.