You can move the two items you are sewing together easier AND no pins to sew over.
|There are lots of brands -- they all seem fine!
I used basting tape on my first epattern called 'Hide Your Stuff.....in your closet!' The basting tape helps hold the zipper in the zipper window until and as you sew it in place.
|Basting tape holds the zipper in place until you get it sewn it!