This homemade Halloween Pea Pod costume was only worn once.  I am almost positive it is 12-18 months as that is when my son wore it.  The measurements I have provided below.  The  3 peas do detach with 2 strips of Velcro on each pea.  There is also a hat to tie around the neck to match.  There is no size on it since it is homemade. 

Length from armpit to the bottom of the leg is 18 1/2 inches long.  From shoulder to the bottom is 23 ½ inches.  The collar is 9 inches.  It looks like the shoulder to the arm to be 10 inches or 13 ½ would be extended to where the hand would be covered with the cuff.  If you have additional questions or would like more measurements please do ask as I would be more than happy to provide this for you.  This would be an adorable costume for Halloween Night and to keep your baby looking adorable and warm too.  Again any questions please do ask.