Tee Tee Monster Baby Boys'Baby Ninja Onesie Printed with Epson UltraChrome DG ink, certified in accordance with the strictest class of Oeko-Tex Standard 100, ensuring safety for direct contact to the skin of infants and toddlers. Three-snap closure makes this soft creeper super easy for diaper changes. Double-needle rib binding on neck, shoulders, sleeves and leg openings