Maxtek White Paper Sleeves With 4 Inch Clear Window.</br>Window covered by transparent film.</br>Material: 80g Paper</br>With flap holder tab on the back</br>1000 pcs total, packed in 100 pcs retail bag, 10 packs</br></br>Product Description</br></br>Maxtek White Paper Sleeves With 4 Inch Clear Window. Window covered by transparent film. Made by thinner economy weight paper. 1,000 pcs total. <br> Go green! These paper sleeves use thinner paper material which use less wood material, help the world to save the green trees and reduce pollution.</br><br/>http://www.amazon.com/gp/product/B00PJ6XDLS