You can buy a pdf pattern here OR find a free pattern on my blog.

Yarn: Crochet thread no 10, I used Scheepjes Maxi Sugar Rush.
You don’t need much yarn per cover, just a few grams.
Crochet hook: 1,75 mm
Bauble size: 7 cm in diameter
Gauge: 17 double crochet = 5 cm
It is very important to have the right gauge so that the crochet cover fits the bauble as it should. It is possible to use a different yarn and/or a larger hook to make covers for larger baubles.
Construction: The covers are crocheted from bottom up.

I use meters and grams as a unit of measurements. I don’t have any sense for other ways to measure, and because of that I don’t feel confident in converting my measurements to inches or ounces or anything else. Hope you don’t mind having to do that yourself.