Craig Frames 20x24 Acrylic for Picture Frame Poster Frame .090" Clear (CFACRC) ACRYLIC SIZE: This acrylic sheet fits a 20x24 frame. (frame not included) This listing includes: (1) sheet of .090" clear acrylic Acrylic material is a high quality, crystal clear, durable upgrade from styrene plexiglass. Acrylic is a great upgrade from standard styrene plexiglass and is a perfect choice for frames 12x18 inches and above that are too large for glass. Acrylic sheeting provides added protection and crystal clear clarity for your print.