Isomars A4 Size 90 GSM Tracing Paper Pad has fine quality tracing paper with smooth surface and good transparency. Ideal for beginner architects and artists for practice of techniques . Can be used for technical drafting. Features 90 gsm tracing paper. Excellent for ink, technical pen, marker, pen and pencil. 25 sheets in 210mm x 297mm.Tape bound. Acid Free sheets.Sturdy chipboard back. The paper is ideal for overlays,sketches and freehand art work. Perfect your drawings, sketches and other creations with this quality translucent tracing paper. Features light weight, smooth surface paper, excellent for sketching in pencil, marker and ink. Sketch, layer, overlays, correct numerous fine and commercial art uses. The paper acid-free, resistant to scraping and measures 210 mm x 297 mm with a paper thickness of 90gsm.