From Spellbinders - Slimline Flora Embossing Folder is part of the Slimline Collection. Trim cardstock to 3.125 x 8-.125", emboss and create the perfect Slimline card layer! Slimline style of card making is growing in popularity. This slimline card size (3.50 x 8.50-inch) fits a #10 business envelope. Approximate size is 8.50 x 3.50 in./21.60 x 8.90 cm.