to make sure you know what you are ordering. The list below may indicate that more than one size fits you. If you are unsure of which size to choose, then go with the larger size because these costumes tend to run small. Size --------- Dress Size XS 0-2 Small -------- 2-6 Small/Medium - 2-8 Medium ------- 6-10 Medium/Large - 8-14 Large -------- 10-14 XL 16-18 1X/2X -------- 16-20 3X/4X -------- 20-24 One Size ----- 2-14  (less)