Description 50 Pack Brown Envelopes DIN B6, 130 g/m² Kraft Paper Envelopes for Mailing 1. MATERIAL: The brown envelopes are made of natural kraft paper with a unique texture and feel. The kraft paper is tearresistant and maintains its shape, offering greater durability than standard paper envelopes to protect your letters from damage. 2. BLANK DESIGN: These envelopes feature a blank surface, allowing you to write, draw, or decorate them. 3. EASY TO USE: The envelopes come with a recessed seal to prevent letters from falling out during transit. You can also reinforce the closure for added security. 4. VERSATILE USE: Whether for birthday wishes, wedding invitations, holiday cards, or special occasions like Thanksgiving and Christmas, these kraft paper envelopes are suitable.