The Voopoo PnP X 0.15ohm coils are designed for use with Voopoo Drag S2 and Drag X2 devices. These coils feature a mesh design and are made from nichrome and copper materials. They have a resistance of 0.15ohm and are suitable for direct-to-lung (DTL) vaping styles. The recommended wattage range for these coils is 60-80 watts. The coils measure 12.5 x 23.6mm in size.