Specifications: High contrast ruler with good visibility. Material: Acrylic (methacrylic resin); Product Size: W 3.5 x H 1.8 x D 0.06 inches (90 x 45 x 1.5 mm); High Contrast; Large Numbers; Scale with arrows; 0 (Zero) Scale; Art Supplies Shop Dot Com Postcard A; Limited Product! 1 x Cute Animal Postcard