85% polyester and 15% spandex.This Comfy women bikini bottoms made of 85% polyester and 15% spandex.Smooth fabric material is stretchy. Full coverage for comfort and convenience.Easy to mix and match with your favorite tops. Perfect for hot spring, beach, pool, cruise, vacation, etc.Elastic closure.High waist.Shirred panel hides all flaws and contours your curves perfectly. Gentle draping at front.Multiple sizes for you to choose from: S(US 4-6), M(US 8-10), L(US 12-14), XL(US 16), XXL(US 18). Please choose the most suitable size according to the detailed size measurement chart.