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"Cambridge Black Ceiling Panels are perfect on their own or as lay-under panels in refacing installs. Their dark satin finish is both beautiful and dramatic. 2' x 4' (also available in 2' x 2') Black. Can be mounted directly to your ceiling using adhesive installed in both standard 1"" and slimline 9/16"" drop ceiling grid or placed beneath existing panels to reface your outdated ceiling. Made from recyclable 0.030"" thick rigid vinyl plastic. Lightweight and flexible for easy installation."