White 100 Boxed Envelopes for 5" X 7" Greeting Cards, Invitations & Announcements Showers from The Envelope Gallery A7 size Measure: 5-1/4" x 7-1/4" Maximum card size: 5" x 7" (card not included) Style - Open Side, Double Side Seam Gum Type - Remoistenable Gum Square Flap - 60lb. Same color on the inside (not lined) - Colors on computers may vary