These envelopes are the perfect size and shape to help you store and carry your charts and presentation posters to work or school. With 15 x 18 inches of storage space, these envelopes are also ideal for multiple documents. This pack includes 12 envelopes. With its shiny finish and adventurous desert color, this envelope is great for organizing your papers at work or at home. Don't get your charts stolen or let your friends throw them away. Keep them and your other important documents clean, neat, and protected with this large envelope! Details:Metallic charcoal blue15" x 18" each12 envelopesButton and string tie closurePliable, durable plastic