Crescent Cardboard Co-Crescent Artist Trading Cards: Assorted Pack. Artist Trading Cards Are The Base For Miniature Art! Create Beautiful Artwork In Media Both Wet Or Dry. Experiment With Three Different Surfaces- All Perfect For Atc Creations! This Package Contains Three 3-1/2X2-1/2 Inch White Board Artist Trading Cards, Three 3-1/2X2-1/2 Inch Black Board Artist Trading Cards, Three 3- 1/2X2-1/2 Inch White Paper Artist Trading Cards And Nine Clear Sleeves To Protect Your Artwork. Acid Free. Made In Usa.