CuteOn Unisex Baby Long Sleeve Cotton Clothes Side Snap Bodysuits For Spring Material:100% Organic Cotton Quick-snap side buttons for easy on and off 6M can be fit for height 50-60cm,9M can be fit for height 60-70cm 12M can be fit for height 75-80cm,18M can be fit for height 80-85cm 24M can be fit for height 85-90cm