Opens Full 180 degrees, Less than 1/2" closed profile, Weather tight seal with one hand operation. Slam-latch locking system mounts vertical or horizontal, non-visible fasteners, non-skid finish. Arctic White, UV Stabilized, Acetone Resistant Polypropylene, Made in the USA Specs: - 10-5/8" x 20-1/2" Inside Dimension - 13-1/4" x 23-1/4" Outside Dimension - 11-3/8"" x 21-1/8" Cut out Dimension