This is really just your basic long-i sound, but I found that it helped to introduce it as a blend so that my student could see that there were a number of words that followed the same pattern in the same way, making the same sound.
Here is the card:
Get My Free Binder Guide!
The Teaching Reading with Bob Books method uses a special binder system in order to simply and easily tailor the frequency of review to the needs of each individual child. This free guide explains exactly what you need and how to build the TRwBB Binder so that you can get started teaching right away.