Alvin - Mesh Pencil and Ruler Case - 14 inch - Alvin Mesh Pencil and Ruler Cases are durable see-through vinyl cases with mesh webbing that are perfect for storing and organizing pens, pencils, and other supplies. The 14 inch case is ideal for 12 inch triangular scales and rulers. Each Mesh Pencil and Ruler Case has a generous 2 inch wide gusset and includes a nylon zipper. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.