Superfine White Envelopes, Eggshell finish. A7 (5-1/4-x-7-1/4) Envelopes 70 text || Superfine EGGSHELL WHITE ENVELOPES A7 70T 5-1/4X7-1/4 FSC-M. A7 Envelopes. Our 11,000 Sq. Sizes include: 8-1/2″x11″, 8-1/2″x14″, 11″x17″, 17″x22″, 23″x35″, 25″x38″, 26″x40″, in all most available weights (starting from 20lb. ).