This .2 SSD heat sink is made of , which can withstand use. Features the copper and graphene coating material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Black -Material: copper, graphene coating - Adopt fine materials and sophisticated craftsmanship, durable and not easy to damage. - Easy to install and disassemble, will not damage delicate electronic components. - Comes with silicone cooling pad and rubber band, excellent performance, more obvious heat dissipation effect. - The polishing process is perfect without leaving any gaps. - Graphene is the most efficient heat conductor in the world, its thermal conductivity can reach 5300 w/ ·k, pure copper is only 386.4 w/ ·k, and aluminum is only 237.2 w/ ·k. Package list: 2 x heat sink 2 x cooling pad 6 x rubber bands