Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: What are the dimensions of one of these jars?
Document: I held off for a long time in ordering these half gallon jars. it took realizing I had run out of a particular staple I wanted for dinner to realize my practice of reusing any jar I found to store my staples wasn't working. Perfect for a large family or one who wants to stock up dry goods.
Needed a jar bigger than a quart but less than a gallon and so this one fit the bill. Works perfectly for what I need it for (dye-ing mohair) .
So I am torn here. I would like to give this product at least a four star as it is exactly what I ordered and was shipped very well. I was really worried that one or more would be broke and I would have to deal with the hassle of returning them, but they didn't. I would also like to give it two stars for the shipping cost. I paid more in shipping than I did for the product and that is ridiculous.
We are getting rid of any plastic containers to store food. These half gallon Ball jars are perfect for our purposes.
The jars are great for pantry storage. They arrived quickly and well packaged. They were in perfect condition. I have ordered them several times and I am always happy.
We have a cabin that sometimes has problems with mice. We decided to put anything the mice might want to eat into jars. This size jar was perfect for some of the larger boxed food items. Hopefully this fall, the mice won't find the cabin so hospitable!
The wide mouth half gallon jars are excellent though some were scratched. I use them for many uses other than canning. I store salad mix, grains, soups and the like in them. I will never go back to small mouth jars of any size.
Store all kinds of things in these jars. Love the size. I store cereal, nuts, crackers, etc. I use white plastic lids. This product was recommended by  Dan McDonald (Life Regenerater on YouTube) . . anything Dan recommends is guilty.Joan Brock
Arrived fast in whole condition. What can I say, they are canning jars. I use them for triple batches of Kimchee or lacto-fermented pickles. I use special lids during the ferment process (ones that release gasses but don't allow air back inside....not the lids they sent.
I love Mason jars and use them throughout my home. I was especially thrilled to find them in these half gallon sizes. However, I was not thrilled with the shipping cost of fifty-something dollars...more than the actual cost of the jars alone. Plus, most of the jars were scratched because there was no packing material between the jars to keep them from rubbing. Next time I'll travel the distance to find an Ace hardware for these jars.
Answer: The dimensions of this jar is 9,1/4 inches tall and the mouth is about 3,1/8 inches wide.