B6 (12,5x17,5cm) envelope is a little bit bigger than traditional C6 envelope. In this category our clients may find envelopes with triangle shape of closing flap as well as those with unusual couvertic closing flap. B6 envelopes are available in a wide range of colours from classic white and écru (Lessebo, Kaskad) to much more juicy and intensive colours (Apla, Rainbow).