The price is only for either kid or mom、 not for both. If you need mother-daughter wear、 please choose one in mother size and one in daugther size.<br /><br />Kid Size: <br />Size 80: suggested height 60-70cm<br />Size 90: suggested height 70-80cm<br />Size 100: suggested height 80-90cm<br />Size 110: suggested height 90-100cm<br />Size 120: suggested height 100-110cm<br />Size 130: suggested height 110-120cm<br />Size 140: suggested height 120-130cm<br />Size 150: suggested height 130-140cm<br /><br />Mother Size:<br />Size 155 (S): suggested height 155-160cm<br />Size 160 (M): suggested height 160-165cm<br />Size 165 (L): suggested height 165-170cm<br />Size 170 (XL): suggested height 170-175cm<br />Size 175(XXL):suggested height 175cm