Ribbed Polo collar,Long sleeves with ribbed cuffs. •available in three colors: white with navy stripe,baby blue with white stipe and navy with white stripe. •two sizes: Small (age around newborn - 1y.o.) : width 27cm , body length 41cm, total length 56cm Medium (age around 1y.o. - 2y.o.) : width 31cm , body length 45cm, total length 61cm as it says, “each child is different” and “measure twice cut once”, please make sure you measure before purchasing to ensure a good fit. Size stated above are the AVERAGE size. •material: 100% soft cotton & handmade wooden button