For the self-proclaimed marine biologist in your life, this design is for them! Give your little one a great gift for their wonders of the ocean. Printed on a Kids Toddler Long Sleeve T-Shirt 5.5oz, 100% Ring-Spun Cotton. Printed in the USA. (Heathers are 90/10 Cotton/Poly) Our eco-friendly water-based ink prints directly into our shirt fibers for a smooth feel that provides a less vibrant, lived-in look. (No cracking or peeling like screen printing or iron-on transfers) For best results, wash inside out and on a gentle cycle in cold water. This listing is for our Shark Expert List Toddler Kids Long Sleeve T-Shirt