Safe for overlaying artwork, layouts and covering color separations, and transparencies. Consistent in color and clarity, won't discolor. Archival quality, lays flat, dimensionally stable. Sheets, pads, and rolls. - Grafix Dura-Lar Clear Acetate Alternative - 19" x 24" x .003", Pad, 25 SheetsDura-lar Clear Acetate Alternative, 19X24P 0.003 -