Personalized Oma and Opa Love Me Grandchild Youth T-Shirt. Cute Oma and Opa love me dinosaur gift Youth T-Shirt - White outfit for a grandson from grandparents. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.