The present invention relates to compositions of UV absorbers and optionally additional antioxidants. The base portion includes one upstanding hinged wall, allowing the hinged wall to pivot outwardly from the base portion and lie flat on a support surface. It is another objective of the present invention to fabricate a preform for a dual hole glass ferrule by a simple process. A gas passage interconnects the first and second cylinders and includes an inlet valve and an outlet valve defining a pressure chamber therebetween.