Otto - from the LS Farication site description page for the 1954-55.1 ABS Headliner:

Features of ABS headliner – 1954-1955 Chevy Truck:

★ Made from 1/16″ ABS plastic to replace factory cardboard.
★ Black in colour with haircell texture finish.
★ Comes with (4) ABS pieces
★ Can be left exposed, painted or covered with fabric.

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)