82% Polyamid/18% Elasthan Stretchy fabric for a comfortable fit,Easily matching up with any swim tops. Keep women always comfortable in summer holiday vacation and give you unique feeling in this fashion swimsuit. Please Refer To Our Detailed Size Chart Before You Purchase. When waist circumference and hip circumference are not in the same size, large size code is recommended. Swimsuits are elastic, and each person has different elastic requirements. The recommended size is not guaranteed to be accurate.