1000 Pack Maxtek White Paper CD DVD Sleeves Envelope Holder with Window Cut Out and Flap, 90g Standard Weight. Maxtek White Paper Sleeves With 4 Inch Clear Window. Window covered by transparent film. Material: 90g Paper, better quality and thicker than regular 80g paper Lightweight, affordable, easy to use. With flap holder tab on the back 1000 pcs total, packed in 100 pcs retail bag, 10 packs