product includes: a skirt, a shirt

shirt size:
size XS(1-2 year), chest girth: 16-20 inches, length: 14.5 inches
size S(3-4 year), chest girth: 17-21 inches, length: 15.5 inches
size M(4-5 year), chest girth: 18-22 inches, length: 16.5 inches
size L(5-6 year), chest girth: 19-23 inches, length: 17.5 inches
size XL(6-8 year), chest girth: 20-24 inches, length: 18.5 inches

skirt size:
size XS(1-2 year), waist girth: 18-22 inches, length: 8.5 inches
size S(3-4 year), waist girth: 19-23 inches, length: 9.5 inches
size M(4-5 year), waist girth: 20-24 inches, length: 10.5 inches
size L(5-6 year), waist girth: 21-25 inches, length: 11.5 inches
size XL(6-8 year), waist girth: 22-26 inches, length: 12.5 inches