"Product DetailsMaterial: Cotton and elastane Single jersey Rise: Mid rise FeaturesBoyleg shape with deep sides and full back coverage Breathable fabric in a cotton stretch jersey fabric Soft elastic waistband that doesn't dig in Panel seam details at front Five layer protection in gusset lining:First layer: Soft cotton lining wicks away moisture Second layer: Absorbent and odour neutralising layer Third layer: Second absorbent layer Fourth layer: Leak protection layer Fifth layer: Breathable cotton outer layer For a heavy flow:Equates up to 4 tampons (1 regular tampon is approx. 11G) Additional InformationThe model featured is wearing a Size 12 Care instructions: Wash and wear reusable briefs. To wash: Rinse well after use in cold water until water runs clear. Then cold delicate machine wash with similar colours. Do not add softener. Do not soak. Do not bleach. Do not tumble dry. Do not iron. Do not dry clean. Line dry. By choosing our cotton products, you're supporting our investment in Better Cotton's mission. Visit bettercotton. org/massbalance to learn more. This product is sourced via a mass balance system and therefore may not contain Better Cotton."