Made of sturdy pearlescent paper material in fine texture, smooth to write, and not easy to break. Vintage heart shaped clasp design, makes your envelopes stand out, it is high-class and elegant, unique and exquisite. It's easy to open and close, you don't need to seal it with glue, more convenient and beautiful. Mini envelopes are great for gift cards, small note cards, thank you cards, greeting cards, business cards, cash cards, birthdays, weddings, parties, invitations, events, holidays, festivals, anniversary, business, graduation, etc.