I make zippered bags two ways – one using zipper tape which gives a very nice finish to the bag. I also make bags using zippers.
I prefer using zipper tape because it simplifies the process.
I purchase my zipper tape from The Zipper Lady who sells the tape by the yard in a gazillion colours – she also sells zipper pulls.
Here’s another set of instructions for making embroidered or pieced zippered bags.
iPhone Case With Zippered Side Pocket:
My iPhone case is an open-end slip-in case with a zippered side pocket. I begin with the first steps for making a zippered bag using Zipper Tape. However part way through I turn the bag into an open ended slip in case.