Hand WashMachine WashUnderwear materials:95% Bamboo Viscose Fiber and 5% Spandex.Value Pack of 2 or 3 or 5 Size S/5 M/6 L/7 XL/8 XXL/9 XXXL/10,Assorted Colors,Gray,Purple,Black,Skin,Rouge;Pull On closure.The size is US size,pls choose your normal size.Improved design,the leg holes More bigger,more comfortable, Women's briefs fall right at waist level and offer full front and back coverage;Waist has 2+inches wide Band in Front; it'll never roll under belly.Comfort; Breathable; Lightweight;Eco-friendly;Moisture Transport;Hygroscopic; Expect less sweat, less smell ,Solid Simple design, Super soft, Stretchy, Middle Waist, ThinDo not bleach,dry-clean,Temperature ironing,The highest water temperature not exceeding 40 degrees Celsius.