This overwhelmingly requested die set is finally here! Our 10 piece slimline envelope builder die set will build the perfect side opening envelope for your 8.5 x 3.5 cards. The largest piece in the die set (envelope base) measures 4” x 9”. The inner scalloped die is sized perfectly for your slimline cards at 8.5” x 3.5” and it also has large sentiment words “Hello Friend” and their Shadow layers. All dies are made of 100 % carbon steel.