Anna C. August 23, 2016 at 8:36am In reply to I'm having trouble finding the sturdy flat plastic/Mylar sheets… by Margot Mustich (not verified) I also use the large lids from coffee cans and crisco cans...easy to come by and they are very resilient. Reply
August 23, 2016 at 8:36am
In reply to I'm having trouble finding the sturdy flat plastic/Mylar sheets… by Margot Mustich (not verified)