Personalized Look Who's Three Bear T-Shirt. Look who's three! A cute stuffed teddy bear opens a birthday gift full of heart balloons. Cute gift for the three year old! 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.