100% Organic. 0% Plastic. &SISTERS is the only 100% certified organic & 100% plastic-free period care brand. Vegan-friendly, sustainably sourced & toxin-free, &SISTERS’ liners are individually bio-wrapped, biodegradable & compostable. No nasties. Endorsed by medical professionals, recommended by specialists & used by over 30 Olympic Sports Women, you can trust &SISTERS to give you the ultimate protection, perfect fit & reassuring comfort. Let’s keep it natural. Composition:73% certified organic cotton (the absorbent cotton pad) and 27% biodegradable biopolymer derived from cornstarch (the waterproof back sheet)