Features: Copper heatsink for cooling laptops and notebook memory RAM; High performance Thermal Heatsink; Easy for Installation; Low viscosity, can be used for many times; It is for the notebook and small space heat dissipation Specifications: Material:Pure Copper Size:Approx.67x26mm/2.54x1.02in Package Includes: 2x Laptop Memory Heatsinks note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.