Description from NLA’s website.

C9507

We are delighted to offer this replacement top quality reproduced Westfalia Double glazing Skylight in original brown Acrylic for VW

T25 Westfalia roof 05/1979 - 07/1992; and T4 Westfalia California roof 09/1990 - 06/2003.

Our UV stable Westfalia Skylight is reproduced by NLAVW to a high standard as a direct replacement part for the original VW Westfalia roof skylight. The skylight measures 3.0mm thick to the edge. Size: 355mm x 458mm with pre-drilled fitting holes to the same locations as the original factory specifications.