Personalized Chocolate Cupcake Long Sleeve T-Shirt. Add this chocolate cupcake to a t-shirt or gift and personalize with your name or slogan. Just use the design tool provided. Who doesn't love a frosted cupcake? 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