Quickly and easily draw shapes and molecules with this organic chemistry stencil. This stencil is perfect for people who draw shapes, organic chemistry molecules, chemists, biochemists, chemical engineers, science geeks, journalers, and people who want to: Save time while making their notes more readable Make beautiful, accurate graphs, art, and intricate designs Measure things in inches, centimeters, and degrees Surprise their science friends with an awesome gift Use as a bookmark, coffee coaster, or back scratcher HOW IS THIS STENCIL UNIQUE? Compact — This enables rapid transitioning from stenciling to drawing and easy transport. Colored, yet transparent — This allows users to easily see stencil outlines and drawings underneath. Efficiently Designed — Every molecule on this stencil was carefully arranged in a way that makes it easy and intuitive to use. Other stencils often provide rarely-used, unnecessary shapes in random arrangements. What Molecules Can You Draw With This Stencil? 3, 4, 5, 6, & 7 Membered Rings Benzene, Naphthalene Alkanes, Alkenes, & Alkynes Boat & Chair Conformations Newman projections and Hundreds of Other Molecules MATERIALS: The stencil is made of durable polycarbonate plastic that will last you for years. WHAT IS THE SIZE OF THIS STENCIL? 5 in x 3 in x .028 in: (Same size as in index card, but thicker)