Personalized Smarty Cat People Manual Long Sleeve T-Shirt. Smarty cat text with a cat reading a human handbook titled everything you wanted to know about people is a humorous cat design. Fun gifts for cat lovers at birthdays and holidays. 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