Stay organized and keep order in your office by using these 3 x 5 in. clear poly pockets. Ideally suited for 3 x 5 in. index cards, these pockets feature a self-adhesive back that will stick to virtually any flat surface. Protects again dust, dirt, water and fingerprints. Made of durable 9 MIL Crystal-clear polypropylene material. Protects 3 x 5 in. index cards or other similar sized inserts from dirt and dust Permanent full-backing adhesive adheres to any flat surface. Top loading for easy insertion and removal of material. Features Self - Adhesive Index Card Pockets With Top Opening. 100 per box. Specifications Size: 3 x 5 in. Material: Environmentally friendly polypropylene ( PP). Weight: 2 lbs.