Personalized Earth Day Celebration Planet Conservation Toddler T-Shirt. This unique Earth Day design helps commemorate April 22 as a day to remember and show awareness for our planet with all its resources. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.