There are three king size protective covers available to protect a wide range of larger size devices, components and sensitive models from vandalism and accidental damage, as well as the elements and dirt, dust and grime. The Mega Stopper is the largest in the trio, used to protect such units as fire control panels.

The polycarbonate covers are backed by a three-year guarantee against breakage in normal use. Both the covers and their hinges are formed from super tough polycarbonate material. These Stoppers are lockable with either a key lock.