New and improved design! Mylar is a reflective wall covering used to direct unused light back to the growing space and an inexpensive way to boost the efficiency of costly lighting systems. The 2 mil grade is the most durable available and this unique design boasts a poly backing which acts as a vapor barrier. Mylar can be easily taped or affixed to a flat surface using thumb tacks or staples. 4 feet wide.
2 Mil Thick (Heavy Duty not 1mil like many on Amazon)
100% Light Tight
Metalized on both sides
Durable - Puncture/Tear Resistant