Two Way Bamboo Zipper 95% Bamboo Viscose, 5% Spandex Two way zipper for easy, no fuss changes Fold over mittens to protect against scratching Fold over feet to transform into a romper and for longer wear Grips on the bottom of feet for traction and safety Complies with CPSC regulations. Our bamboo is not chemically treated Fits true to size Care: Gentle wash cold, inside out with zipper closed Tumble dry low or hang dry recommended For extra care, place in a garment bag when washing