QUANTITY：11 pieces shapes drawing templates in different shapes with 1 pcs poly zipper envelopes for your easy storage, very convenient to carry and meet your different needs for daily usages | MATERIAL: Geometric drawing templates are made of high quality plastic, durable and lightweight, various shapes allows you to draw different patterns you want, wonderful handy drawing helpers | SHAPES:1 * Curve template, 1 * Network technique template, 1 * Geometric drawing template, 1 * Mechanical template, 1 * Nut template, 1 * Building template, 1 * Mathematics learning template, 1 * Circular template, 1 * Multifunctional drawing template, 1 * Ellipse template, 1 * Orthodrome template | MEASUREMENT UNIT: Our measuring template rulers adopts metric system unit, take centimeter as unit, length varies from 17.8 to 25 cm/ 7 to 9.84 inches, the width varies from 9.4 to 14.7 cm/ 3.7 and 5.8 inches | APPLICATION: Geometric rulers are ideal for art design, fractional measurement, building formwork, architecture, network technique and drawing templates in shool, office, home. Great help for students and children