There are of course other glass jars available in other brands and styles, but these jars (all made by one company, it turns out) are the standard jars safe for actual canning.
• Read more: Canning 101: A Field Guide to Jars at Food In Jars
And if canning is indeed in your near future, spend some extra time on Marisa's site; it's a rich treasure trove of advice, tutorials, and recipes. (She has a book coming out this spring, too!)
(Image: Marisa McClellan of Food In Jars)