100 pack clear label holders for 4x6 index cards, self-adhesive pockets, sleeves for boxes, containers, storage bins juvale use our clear sleeves to stay organized and protect your index cards, business cards, and labels. the index card pockets feature a top-loading slit and a self adhesive backing that you can use to stick to different surfaces. you can use them to label folders in a classroom, organize a meeting chart, hold business cards, or label desks and boxes. they’re made of a high-quality plastic vinyl material. you’ll receive 100 plastic sleeve pockets in this set.