12' x 12' Gridcloth 1/4, Part# 309667, by Matthews Studio Equipment: All fabrics were tested in a black chamber with an incandescent light source at one end and the fabric positioned 2/3 of the way between the source the digital light meter. Custom sizes available.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.