Features: 100% brand new and high quality 12.8w/m k high performance thermal conductivity; Non-conductive; non-corrosive, non-curing and non toxic in heat dissipation 12PCS/Set Upgraded thermal silica pads,greatly improve the heat transfer between the electronic elements and effectively cool the temperature down in seconds. 13mmx15mm size with 1.5mm 2mm 2.5mm optional, thickness, suitable for video memory cards, no need to cut, easy to use Perfect to fill contact surfaces gap, a great assistant for both beginners and professionals. Suitable for notebook solid state, CPU/GPU heat pipes, and various heating circuits, excellent heat dissipation performance. Package Includes: 1 Set x Heat Dissipation Silicone Pads Specifications: Thermal Conductivity: 12.8 (W/m k) Color: Gray As Shown Material:Silicone Model: HP800 Size:approx 13x15mm/0.51x0.59in Optional Thickness:1.5mm/2.0mm/2.5mm Quantity:1 Set note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.