The 750ml jars of Classico tomato sauces are also canning jars with a standard opening (70 mm). This means I get a free canning jar with each jar of sauce I buy. I know a lot of people do not can and this makes no difference to them, but it should because they are not only good for re-using for canning, but they make good storage jars as well.
The 750 ml size of canning jar is not one normally available but I have a more than large enough stock of them because of all the tomato sauce we buy. It also means that each time I buy the sauce I can reuse the jar and save money on not having to buy more canning jars.
The cost to buy new canning jars is about about $10 to $12 a dozen though this includes a set of lids with rings which is a $4 to $5 value. The net cost of buying jars is about $0.55 a jar. So each time I buy Classico tomato sauces I effectively am getting an extra $0.55 value. It means that the $3.50 typical price for the sauce is really only just under $3 for me because I get the jar. I not only save money, I save the world some resources.
Most glass jars will end up being recycled but I do not recycle these jars but use them for years to can and store all manner of things. Re-use is a much better option than recycling because in reality glass is not worth recycling. The cost to transport and remanufacture the glass makes it a recycled product with a negative value, it in facts uses more energy and resources than to make glass from raw materials. Glass is well suited for re-use because it can be cleaned so well at home and is moderately durable.
There are no end of products that I buy which if they used lid openings that fit canning jar lids I could re-use. I am thinking about mustards, relishes, olives and so much more. The problem is that companies all choose to have products in their own sized jars that can not be re-used.
As an example, we buy various Bick's Relishes in the 375 ml size. I have re-used as many of these jars as I can to store bits and pieces of hardware and other things, but I have run out of uses for them. I have to recycle them all now. If a company were to offer relish in a jar that would fit either the standard or widemouth lids, I would shift my purchases to them.
It is not only for canning that glass jars are good for, but also general storage. If the jars were a standard 70 mm or 86 mm wide mouth opening I could re-use them for storage such as we do in our pantry which is filled with glass jars from 125 ml to 2 litres in size holding all of our dry goods. Bernardin sells plastic screw on lids for both the standard and wide mouth sizes, which is much better a fit and cleaner than re-using an old relish jar lid.
I know this is not a big thing but still it is the sort of lack of forethought in our society that means we end up being less thrifty than we should be. I wish some of the companies out there would pick up on this and point out they have an environmentally sensitive virtue as part of their product.