Material: 33% Modal, 32% Cotton, 20% Nylon, 8% Polyester, 7% Spandex Great elasticity. This maternity underwear comes with two different series: three-pack and five-pack. Careful and Intimate Design: Low rise maternity brief with contoured waistline fits right under the bump like a cradle. Low cut maternity underwear with extra wide leg-bands so they don't cut into thighs. Generous back coverage goes smoothly under clothes (no wedgies no lines). Breathable, soft and seamless fabrics, stretch fairly well, remarkably comfortable to wear. Light inner lining: Gusset/crotch lining made of 100% cotton fabric for hygiene, we choose light colors for easy detection of any unusual discharges Care Instructions: Water wash Cold Do not bleach. Iron on low heat.