Autumn and winter children's cotton high-waist belly-protecting autumn clothes long trousersMain fabric composition: Cotton Size Length Bust Sleeve Pants length High belly Month age Height Body weight 73 34 26 25 50 10 4 7 months 66 73 14 17 80 37 28 27 53 10 7 12 months 73 80 18 22 90 39 30 30 56 10 12 20 months 80 90 23 27 100 42 32 33 59 10 20 30 months 90 100 28 33 110 45 34 36 62 10 30 40 months 100 110 33 37 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes.