JAM Paper Recycled Parchment Paper Envelope, Blue come in small sizes, large sizes, standard sizes, and unusual sizes. You can find just what youre looking for right away. Without trying to make something work that doesnt. No need to cram or fold hard-to-fit and oversized materials into an unaccommodating envelope. Easily create professional and custom looking mail. Blue Envelopes radiate warmth and joy. These splashy colored envelopes are a cheerful choice for birthday parties, wedding invitations, or just brighter business envelopes.