Everyone Knows Little Kids Are Pretty Much 99% Ninja Anyway, So This Costume Is The Perfect Choice For Your Child! Black Hood, Shirt, Pants, Belt, 2 Leg Ties, 2 Arm Ties, Fade In/Out Glasses Mechanism, And Battery Pack Which Requires 3 'Aa' Batteries (Not Included). Medium Size Fits Childrens Sizes 8-10.