MaterialCotton and elastane Breathable fabric in a cotton stretch jersey fabric Features4 layer protection in gusset lining:First layer: Soft cotton lining wicks away moisture Second layer: Absorbent and odour neutralising layer Third layer: Leak protection layer Fourth layer: Breathable cotton outer layer For a moderate flow: Equates to up to 3 tampons (1 regular tampon is approx. 11G) Better for the planet: Convenient, comfortable and helps to eliminate disposables and single-use plastic Wash and wear reusable briefs How they work: Designed with four layer protection for absorption and protection against leaks during your period. Can be worn on their own, depending on your flow. Fit and Model SizeThe model featured is wearing a Size 12 Care InstructionsWash 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 Additional Information 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.