Personalized Shamrocks White Music Notes Long Sleeve T-Shirt. A jumble of shamrocks and white music notes is a fun gift design for the Irish and the Irish at heart on St. Patrick's Day and at Celtic festivals. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL