110 lb. index cards come in a variety of sizes and colors. Contains 50% recycled material and 30% post-consumer waste. Meets CPG guidelines. 100 cards per package. Both our 3" x 5" and 4" x 6" sizes are packaged in boxes of 10,000 per case. Please order increments of 100 to equal a case of 10,000. Our 5" x 8" cards are packaged in boxes of 5,000 per case. Please order in increments of 50 to equal a case of 5,000.