You Are My Sunshine Mother's Sweatshirt Brighten up your Grandma's day with our Personalized "You Are My Sunshine" Mother's and Personalized Grandma Shirts. Available on our premium white cotton/poly blend Personalized Sweatshirt, machine washable in adult sizes S-3XL. Also available in Pink. Includes FREE Personalization! Personalize your Mother's Sweatshirt with any title and up to 30 Names.