For a favorite sister-in-law on her birthday, wedding day, Sibling's Day or just because! Card reads: "I mean, I don't really understand why you picked my brother, but I'm glad you did." Card is blank inside for a personal message. THE DETAILS: This card is professionally printed on 110 lb. cardstock. Card is sized at 4.25 x 5.5 inches. Cards each come with one envelope. Cards are packaged in protective plastic casing.