Personalized 1st Birthday Look Who's One Owl Birthday T-Shirt. Celebrate your little one's first birthday in style with our adorable Look Who's One Owl Birthday design! This cute and colorful design features a green owl with pink text, perfect for a baby girl's special day. The cartoon owl adds a fun and playful touch to the celebration, making it a memorable event for your infant or toddler. 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.