I really liked these dresses for a family photo shoot. My youngest is almost 3 and 3-4 fits perfectly! My oldest daughter is 5 and I have 5-6 but it seems to have been a bit short. If in doubt, I would say order. The material was comfortable and I just tossed them in the dryer before wearing to smooth out the wrinkles. i love color Great product for the price. Thanks very much!