1on Green Bingo Paper Cards (500 sheets per pack) 500 GREEN disposable paper bingo cards measuring 4 x 4 inch No two cards will duplicate-Glued in bundles of 25 for easy handling This type of card is usually marked with a dauber--intended for a one time u MADE IN USA--Manufactored by American Games INC--A trusted US manufactor since 19 This item is registered trademarked with the USPTO office--Any unautherized seller will be reported to Amazon by the manufactor.