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Detail of the outer surface of the closure.

Picture 10 of 11.

First of two views of one of the fold lines. This one is of the closure while it is laying on the ground.

The outer ring of the closure is a rigid plastic, while the center is a flexible, faux-leather type material.

Note the reinforcing doublers around the periphery. We see here that the doubler on the clockwise side of the fold line is labelled "007" and the doubler on the counter-clockwise side is "005".