Fabric Composition: Underwear is made of 92% polyester 8% spandex and cotton, which is silky, smooth,stretchy, lightweight and breathable. Short pants won't irritate the skin and won't deformed after washing. The layer of the crotch is made of natural cotton , which is soft and comfortable. Size Guide: Please check the size chart of bikini panties in detail before purchasing and hope you can get your suitable size. Hip Measurements: Small = 29 inches; Medium = 30.5 inches; Large = 32 inches; X-Large = 33.5 inches; XX-Large =35 inches Waist Measurements: Small = 25 inches; Medium = 26.5 inches; Large = 28 inches; X-Large = 29.5 inches; XX-Large =31 inches Breathable panties help you stay cool and clear all day long, you won't feel stuff in these women workout underwear. There's no sense of foreign body and you won’t feel hot when you wear our brief in summer. Low waist undies are easy to care for, stain resistant and comfortable. Hand & Machine Washable are both OK. Fast drying perfect for traveling and active lifestyle. Perfect Gift : Our stylish underwear for women is not only good-looking, but also very practical. It is a great gift for your sisters, girlfriend, mother, and grandmother. Girls and women love them. Mother's Day is coming, a pair of comfortable underwear is good choice for a present.