Holiday Christmas Greeting Cards - 25 Red & 25 Green Blank Greeting Cards with 50 White Envelopes - Card Size 5x7 When Folded - Envelopes Size A7 . Size 5 x 7 (A7). 65lb. Bright Color Half Fold Greeting Cards 25 Red Cards 25 Green Cards and 50 White Envelopes Per Pack. Scored for easy folding. Inkjet, Laser, & Copier Compatible Perfect for Greeting Cards, Christmas Holiday cards, Invitations, Weddings or any announcement.