These mailer envelopes are crafted with high-quality brown kraft paper material, offering an elegant touch to any invitation or message. With a blank square surface, it is easy to customize them to match your upcoming special event, whether a wedding, bridal shower, baby shower, birthday party, or holiday celebration. Each brown envelope measures approximately 5.5 x 5.5 inches, providing ample space for your message or invitation. The pack includes 60 mailers, so you will have plenty for your event or business needs. To seal the envelopes, moisten the edges of the flap and stick them together. These natural brown square envelopes are perfect for cards, small businesses, cardstock, crafts, notes, photos, rigid items, letters, bulk mailing, office use, flat mailing, stationary, postcards, rustic wedding themes, stationery, simple designs, and even graduations. Whether you need to send out invitations, cards, or letters, these brown-colored envelopes are perfect for making a lasting impression.