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.
Product Overview. Mylar is a reflective wall covering used in greenhouses and grow rooms to direct unused light back to the growing space. Mylar is an inexpensive way to boost the efficiency of costly grow light systems. The 2 mil grade is the most durable available and can easily be mounted with tape. Comes in 4 ft. wide rolls.