Make materials, files and supplies easer to identify. Self-adhesive clear poly pockets let you attach labels to bins, shelves, drawers, cabinets...almost anywhere. Hand write or use a label maker to customize included cardstock inserts. Or print your own on letter-size paper. Simply peel, stick and apply to any clean, flat surface. Holds inserts up to 3.5"x2.75". Each pack includes 25 pockets and 25 blank white 3.5" x 2.75" inserts. Sold as 2 packs for a total of 50 pockets and 50 inserts. Recommended age 3+ years