Square Deal Recordings & Supplies (100) Vertical Trading Card Divider Cards - White - Standard 20 Mil- 2-11/16" x 3-13/16" - TCNS38WH20 Fits In Boxes Designed to Hold Cards Vertically Perfect for Organizing Your Trading Cards Reusable - Just turn it around or turn it over! 2-11/16" x 3-13/16" 20mil Thick