Personalized Earth Day Holiday Love Our Planet Toddler T-Shirt. I love our planet Earth Day celebration Toddler T-Shirt - Hot Pink is great for a community or school conservation activity. 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.