We decided to 'make do''
Our insulated lunch bag, which holds my husbands water bottle broke...zipper completely broke.
I found an elastic..and that worked great.
Then my husband forgot where he left the water bottle bag.
We are in the middle of the Australian Outback, and we didn't want to buy a new, if we can even find one....husband misplaces things a lot :)
I took an old t-shirt, and wrapped it around another bottle, put it inside of a brown paper bag, and kept it together with duct tape.
That kept him in cool water, until he found his broken insulated bag...which he did a couple of days later.
Only needs to last for another week...when we leave this area.