3.5 inch Square Envelopes: package includes 50pcs square vellum paper invitation envelopes, about 3.5 x 3.5 inch(9 x 9.1 cm), fit place your stamps, bookmarks, photos, letters, etc. Fit into your purses, bags, pockets, easy and convenient to use. Translucent Design: the greeting card envelopes are designed into white translucent style, feature matte hazy, the translucent setting allows you to see the contents clearly, you can add your own logo label, write or draw some patterns on them, also make some marks on the cover. Durable & Reliable: the square envelopes are made of paper, thick and durable, with a side seam construction, more dependable, can be applied for a long time. Perfect for photos, letters, personal mail, or invitations. Easy to Use: our glassine envelopes are designed with a V flap, Seal as normal envelope sealing via glue or sealing wax beads, you can also create your pretty labels to seal the V flap down. Wide Applications: these vellum envelopes are great for wedding, greeting cards, invitations, photos, letters, thank you cards, postage stamps, bookmarks, badges, postcards, gifts for birthdays, graduations, holidays, also be applied for weddings, parties, reading clubs and so on.