I’m not an expert, but it looks like rollable insulation fabric …almost like’d go between the firewall of a car and the engine compartment
April 05, 2020 at 02:31PM
via reddit https://www.reddit.com/r/sewing/comments/fvi3s0/is_this_quilt_batting_was_gifted_this_from_a/fmikmpo?utm_source=ifttt