JAM Paper A1 Translucent Vellum Invitation Envelopes have been developed to meet personal and business mailing needs with style! Recipients won't be able to overlook the envelopes' durable, see-through build. Plus, they'll appreciate the neat peek into the contents contained inside the envelopes, without needing to open them up first.Details:Available in assorted colorsA1 size (3.625" x 5.125")30 lb. paper50 envelopesTranslucentBooklet opening