Contax 139Q Light Seals
USCamera custom light seal kit for the Contax 139 Quartz film camera. This kit includes 2 door channel seals for the camera body, 1 mirror cushion, 1 back cover door latch seal and 1 back cover door hinge seal.
Light Seal Placement guide for this foam seal kit, here.
Peeling the foam from the backing can be difficult for some. This video may help.