If you have something important to say, it's a good idea to say it on sturdy, durable paper. Your words won't carry much meaning if they end up on crumpled, torn sheets. This pack of JAM Paper 14 lb. Tyvek is made from the material used to protect housing projects, yet is surprisingly lightweight. The paper is waterproof, will not tear, and the classic white color gives a professional look to your documents. With 50 sheets, you can be sure everyone will get the message, and be able to look at it again for a long time!Details:White8.5" x 11"14 lb/50 sheetsTear- and waterproofTyvek