Christmas Romper Costume
Stretch Velvet Zipper Front Hooded Short Romper with Faux Fur Trim and Satin Lined Hood.
One size
'One Size' or 'One size fits most' is a manufacturer's standardized size based on:
M to L
(Bust 33-37", Waist 25-29", Hips 35-38", Cup B/C, Dress Size 10-14)
(The fabric will be a stretchable fabric for these products with the above measurements)
Consult the link above for an international size comparison chart.