binder's board
board
cardboard
carton
millboard
strawboard
composition board
Plexiglas
air-tight
baize
bronze
cellophane
corrugated
foil
half-empty
lacquer
leathern
linoleum
muslin
newsprint
oilcloth
parchment
plaster
plastic
plywood
stucco
tinfoil
tinsel
unopened
wicker