Personalized Cute Jellyfish Ocean Sea Creature Long Sleeve T-Shirt. Jellyfish Lover Long Sleeve T-Shirt - Pink has darling little jelly you can personalize for a sea creature gift idea. 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