SIBE-R PLASTIC SUPPLY - CLEAR ACRYLIC SHEET FOR PICTURE-POSTER FRAME, 5"x7" (.060") Acrylic sheeting provides added protection and crystal clear clarity for your print. This acrylic sheet fits a 5x7 Inch Frame. 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 8x10 inches and above that are too large for glass. The linear dimensions of our sheets are nominal and they have a tolerance of +-1/8" in each direction (length and width)