Personalized Purple Dinosaur 2nd Birthday T-Shirt. LIL' TWO-OSAURUS 2nd birthday T-Shirt - Light Blue with cute purple cartoon dinosaur and big polka dotted number 2. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.