Pull-On closure Quality Fabric Tape - 95% cotton + 5% spandex, Brostown self adhesive boobs tape has a non- woven fabric outer surface and a medical grade silicone lining. its skin friendly and anti-allergenic. Waterproof Self-Adhesive - Medical-grade adhesive support hold your breast all day, waterproof, breathable, eco-Friendly, skin-friendly,adhesive,reusable or disposable cotton,