1" 24mm Clear Acrylic Sheet Plexiglass 12x12" Thick Acrylic AZM NEW sheets,Acrylic AZM NEW sheets 1" 24mm Clear Acrylic Sheet Plexiglass 12x12" Thick, Actual size is around 11-7/8"x11-7/8",This is a thick block of clear acrylic, Thick Acrylic AZM NEW sheets 1" 24mm Clear Acrylic Sheet Plexiglass 12x12".