I think it's a quilt (maybe sort of lap-sized) that is to be used while the person is going thru chemo. I know when my BFF was going thru her rounds of chemo, she always remarked onhow cold the rooms were & how cold the chemo made her feel.
Here are a couple of links I found re this:
http://www.bjsquiltbasket.com/ChemoQuilts.html
http://quiltstory.blogspot.com/2012/...and-years.html