Donate to your local high school. The theatre and art departments might love it.

t-shirt material is grat to make heat pacs out of sew a seem on three sides put in 2-4 pounds of rice they are great moist heat after they have been put on the microwave i for got to mention after putting in the rice sew up the end they are really good for arthritus or soar muscles i have one for my neck when i am sewing good luck using up the old fabric

See if you can find some organization that will ship it to Haiti.