0-3 months suitable for babies weighing 3-5kg 3-6 months suitable for babies weighing 5-7kg 6-9 months suitable for babies weighing 7-9kg 9-12 months suitable for babies weighing 9-11kg 12-24 months suitable for babies weighing 11-13kg Baby Bunny Onesie Baby Hooded Onesie Infants Bodysuit Jumpsuit Zipper Onesie