Personalized Frog-German Grandma | I Love My Oma | Grandson Granddaughter T-Shirt. This design captures the warmth and joy of family connections, making it an ideal choice for any occasion. Whether it's a birthday, holiday, or just because, this heartfelt expression of love will surely bring a smile to your Oma's face. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.