I found a few different tutorials and have listed them below. They are not exactly like the ones I got but are very close.
- Burp Cloth Tutorial - by Sew She Sews
- Flannel Burp Cloths - by Craft Rookie
- Terry Flannel Burp Cloths - by The Homes I Have Made
- Burp Cloth Tutorial - by Jill
- Baby Shower-Gift - by The Happy Scraps
I hope this helps give you an idea - Rejoicing in the Present