dear, please choose a suitable length according to the length of your baby's waist to your baby's skirt hem,
if the length of the petticoat is too long, it will be not very suitable.
you just need to choose a length that less than the length of your baby's waist to your baby's skirt hem ,
yours sincerely

3 hoops petticoat's waist is about 40-80 cm,
other kids petticoat's waist is about 40-70 cm,
1.Petticoat Length: About 45cm (About 17.7 inch)
2.Waist: About 56-66cm, Elastic
3. Please allow little size differenece, thank you so much!