N2N Bodywear Air Bikini 5% spandex Machine wash cold, do not bleach. Tumble dry low. Wash dark colors separately. 95% Rayon / 5% Spandex Machine wash cold, do not bleach. Tumble dry low. Wash dark colors separately. Small Waist: 26-30", Medium Waist: 30-34", Large Waist: 34-38", Extra Large Waist: 38-42"