The Hatches EVAL are constructed from durable, UV resistant ABS plastic and are designed with non-skid surface, all these make them suitable for extended external use. They can also be mounted , in vertical or horizontal position, so that could be achieved the access and the control of various areas of a boat. The Hatches EVAL feature an O-ring seal that makes them watertight, 180o opening door, with one or two handles, where you can install a lock and are mounted with hidden screws for discrete appearance. Available in white, grey, beige and black color