As requested the tutorial for the can & Bottle Cozy is here!
I have no link to a written pattern but here it is in a nutshell:
Using worsted weight cotton yarn and an ... mm crochet hook,
Make a two-row dc flat circle.
For the third round, work in
by cucaditas de saluta
by Crochet Geek
by Trish Kristoffersen
by Cath Thomas