You need measure the length from the waist down Free Matching Bandeau for each Dress SIZE One size fits most because of elastic waist band Waist: 23 inches - 38 inches Knee Lenght : 25 inches Length : 40 inches Length : 42 inches Lenght : 45 inches Lenght : 47 inches Lenght : 50 inches Free Matching Bandeau for each Dress 10" Long Stretches from 30" to 44" _________________________________________________________________________ Plus size version Waist: 30 inches to 58...