[Quality & size] Punch cards are made from art paper, thick and durable, the print is clear and crisp, colourful. If the card belongs to (purpose), 20 holes or 10 holes get (reward). Blank back, play the art of freedom, writing is their own exclusive.

Easy to Use: See-thru Archival Polypropylene Corners simply press into place with acrylic adhesive backing. Basic Info: Archival material created and made in USA. Acid-Free Quality: These mounting corners feature a pressure sensitive, non-yellowing acrylic adhesive.