Front Message: Sis, You’re an AwesomeMom Inside Message: Just wanted to make sure you know what an incredible job you’re doing. Happy Mother’s Day This American Greetings Mother's Day Card for sister features shimmering foil embellishments. Card measures 4.625 in. x 6.75 in. Peach envelope included included. Standard postage required. This American Greetings Mother's Day Card is suitable for a special sister in your life.