Features: Package includes 20 black anodized aluminum & 10 copper heatsinkSuitable for Raspberry Pi models A, B, B+, 2, and 3 boardsCan be applied with other devices for cooling VGA, IC Chips, Mosfet SCR, Southbridge , Northbridge etcAdhesive thermal tape backing, Raspberry pi not includedThese heat sinks have profiles which are short enough to fit within standard Raspberry Pi cases. Package Includes: 26Pcs x Raspberry Pi Heatsink Kit Specifications: Material: metal Size: Black 14.2x14.2mm / 0.56x0.56in Gold: 15x15mm / 0.59x0.59in 8.9x8.9mm / 0.35x0.35in note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you