Usually 24M means size 90 suitable for 1-2 years old， height 85-95cmUsually 3T means size 100 suitable for 2-3 years old， height 95-105cmUsually 4T means size 110 suitable for 3-4 years old， height 105-115cmUsually 6 means size 120 suitable for 5-6 years old， height 115-125cmprice here is only for kids dress， If need link for mother dress， please check below: https://www.wish.com/c/569b36a27f957211c088ef27