Good for engineering design, model making, school projects, art work, location mapping, drawing, space planning (Kitchens, Bathrooms Garden Landscaping etc.), archaeological projects and more.. A4 (297mm x 210mm approx) 100 micron (0.1mm) thick printable plastic sheet (compatible with laser printers). Sheet Size Square Size Number of Squares A4 (297mm x 210mm) 1/8" x 1/8" 58 x 83 A4 (297mm x 210mm) 3/16" x 3/16" 39 x 56 A4 (297mm x 210mm) 1/4" x 1/4" 29 x 42 A4 (297mm x 210mm) 5/16" x 5/16" 23 x 33 A4 (297mm x 210mm) 3/8" x 3/8" 20 x 28 A4 (297mm x 210mm) 1/2" x 1/2" 15 x 21 A4 (297mm x 210mm) 5/8" x 5/8" 12 x 16 A4 (297mm x 210mm) 3/4" x 3/4" 10 x 14 A4 (297mm x 210mm) 1" x 1" 7 x 10 Included in this listing is the option to select a pack of 9, one of each square size. Other square dimensions and bespoke printing available. Contact us for more information.