Mailing Envelopes for Braille, model 1-04230-00, are envelopes for mailing braille designed for use by individuals who are blind or have low vision. These envelopes can be used to mail or store brailled sheets up to 11.5 x 11 inches in size. The envelopes are blank with self-sealing flaps, and hold approximately 30 sheets. DIMENSIONS (LxW): 12.5 x 12.5 inches. COLOR: White.