Alvin Everything Mesh Bags are perfect for all parts of your busy life! Each bag has a see-through mesh front with a private zippered inside pouch. Alvin NB and NBC mesh pencil and ruler cases are durable see-through vinyl cases with mesh webbing are perfect for storing and organizing pens, pencils, rulers, pens, other art/drawing supplies. Alvin Deluxe mesh tote bags are ideal for drafting kits, drawings, artwork, documents, and much more. These mesh portfolio bags offer visibility and protection. Durable see-through vinyl is reinforced with mesh webbing for strength.