Decorative envelopes with a triangle shape of closing flap are a group of envelopes with the most traditional type of closing. The flap is triangle and the envelope is wet sealed – NK type of gluing. In this category you can find different formats of envelopes made from various kinds of papers. Some of brands available in our shop are Sirio Color envelopes in a wide range of colours, metallic Sirio Pearl envelopes, Eco series, textured Acquerello envelopes or square Stardream. Triangle type of closing gives the correspondence an unique retro style referring to our grandparents' times. These envelopes are perfect addition to weeding invitations, occasional cards as well as business and private correspondence.