Cotton Hemp inner with elegant lace on the outer body. 

The recommended age does not necessarily apply to everyone.
The fit varies depending on the height, weight, and body type of the child

S (6-12m) : Chest: 21inch all around 

Length: 15inches

M (12-24m) : Chest: 22inch all around 

Length: 17inches

Baby/kid age is an estimation of fit, not all babies/kids are of the same size, so please keep in mind dimensions of clothings, rather than age groups for a more accurate fitting