BACKINGS for Rock & Personality Posters. 20 x 28". .1875" thick, C-flute Corrugated Cardboard. White both sides. Short-term Storage.

Rock & Personality Poster Backings
20 x 28"
.1875" thick, C-Flute Corrugated Cardboard
White both sides. Short-term Storage.

This corrugated cardboard is .1875"thick (C-Flute, white on 2 sides). It is a popular choice for a backing board because it is rigid and economical.