Lightweight jersey cotton blend with stretch. Bikini-style panties. hese bikini panties are made of high quality soft stretchy fabric with cotton health and breathable lining.Fabric is silky touch like the second layer of skin to make you feel nothing on. XS = 25.4"-26.5"; S = 26.5"-28.3"; M = 28.3"-30"; L = 30"-31.5"; XL = 31.5"-33". [Hip Measurements]: XS = 32.7"-34.3"; S = 34.7"-36.2"; M = 36.6"-38.6"; L = 38.9"-40.6"; XL = 40.9"-43.7".