Tracing Pad A3 297*420mm; A4 210*297mm; A5 148*210mm; 07 x 05" 178 x 125mm 10 x 7" 254 x 178mm 12 x 9" 305 x 225mm 14 x 11" 356 x 279mm 16 x 12" 406 x 305mm 20 x 16" 508 x 406mm 60gsm; 50sheets; Acid free; Sturdy binding styles; Heavy chipboard backs