Mini envelopes are great for thank you note, greeting card, business card, birthday, weddings, parties, anniversary, invitations, holiday, different sorts of events and more.SpecificationColor: Dark BlueStyle: Heart-Shaped ClaspMaterial: Pearl Coated PaperThickness: 1mm / 0.04 inchOverall Dimension: 10.5 x 7cm / 4 x 2.8 inch (L*W)Package Content: 50 x Mini EnvelopesAdvantagesMade of durable and sturdy paper in fine texture, smooth to write, and not easy to break. Comes with a creative heart shape clasp design, delicate and interesting, a blank surface allows you to write, draw or DIY your personalized envelopes.InstructionEasy to use: Insert your cards into envelope, then fold the paper along the set creases, and close with heart-shaped clasp.NoticePlease kindly note that this mini envelope does not include glue.