It is to protect your house and family perfectly. For the house, the glass doors are sticked safety window film will not be fragmented by association with ultra sticky glue of safety window film whether been effect by outside force, for example, to thrash, to stone
Specification

Reducing risk of accidents caused by broken glass.
Controlling sunlight to your house.
Reducing effect of ultraviolet.
Improving longevity of glass and house objects.