"Hirschvogel begins his small booklet, whose title translates to "A True and Thorough Instruction in Geometry," with a lighthearted verse: The Book of Geometry is my name." -The MET Museum Width, in 18.50 20.50 22.50 24.50 26.50 Length, in 27.00 28.00 29.00 30.00 31.00 Made for supreme softness, these personalized, Econscious EC1000 unisex t-shirts for men and women feature a 100% Certified-Organic, ring-spun cotton fabric. Also equipped with an organic cotton/ 1x1 neck rib, and a shoulder seam that is clean-finished with self-fabric tape, these printable tees deliver in both comfort and style. .: 100% certified organic, ring-spun cotton .: Medium fabric (5.5 oz/yd² (186 g/m²)) .: Regular fit .: Tear-away label