Personalized Detective Magnifying Glass Long Sleeve T-Shirt. Detective Magnifying Glass Long Sleeve T-Shirt - Black, a perfect gift for detectives, P.I.'s, and those who dream of becoming a real-life sleuth. 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