Matilda - Yes! These are borosilicate glass, so they can handle freezing, leaving adequate room for expansion, of course. The Weck website also has also has small snap on plastic lids you can buy for easier storage. There is some info on freezing things in these jars on their website, too.
Weck 3/4 Liter Mold Jar
|1/7/13 12:49 PM|
I'm still expecting, so I have no first hand experience, but I have been doing a lot of research. Apparently coconut oil works well on diaper rash and does not affect cloth diapers. Also, I think you could use any cream you wanted if you use a disposable liner.
Diaper Rash Creams: The Dirty Cloth Diaper Secret You May Not Know
|11/13/12 1:47 PM|