High thermal conductivity rate.Good quality and easy to use. Type: Thermal PadMaterial: SiliconeQuantity: 100 PcsThermal Conductivity: 1.2W - 2.0WTemp.: -40℃ - 220℃Voltage Proof: >4KVHardness: 13℃ - 50℃Dimension: 10mm x 10mm x 0.5mm/0.39" x 0.39" x 0.02" (Approx.) Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:100 x Thermal Pads