Definition of in session. 1  1 : in the process of meeting formally Congress is in session right now. 2  2 US : conducting classes School will be back in session at the beginning of September.
Mylar Pieces. Circles & Hexagons. Multiple Sizes. Hexagon & Circle Mylar Pieces are heat resistant and made especially for quilters who desire to make perfectly shaped circles and hexagons each time with hand or machine piecing and appliquÃ©. Cut fabric 1/4 larger than Mylar template.
When you are hiding your heat signature (with a Mylar space blanket or other means), under some conditions your signature may look âtoo coldâ to an IR scan of the area (an extra dark outline, or a âblack holeâ), which may make you detectable.