I purchased these in bulk for swimming lessons, but my child has outgrown diapers, so I'm selling them. They are new and unused, but have been stored at home. Please refrain from purchasing if you are overly concerned about this (><) [Product Name] GOO.N Swimming Pants, for both boys and girls [Manufacturer] Daio Paper [Sizes] ・M size: Height 60cm～80cm / Weight 6kg～12kg ・L size: Height 70cm～90cm / Weight 9kg～14kg ・BIG size: Height 80cm～100cm / Weight 12kg～20kg ※Weight is just a guide for choosing a size. The size that fits best may vary depending on your child's body type, even if they weigh the same. Please choose the size that fits your child perfectly.