New with tags, completely sealed, never opened. Thinx are washable, reusable period underwear. They look and feel just like normal underwear — but better. - fresh and dry - built-in protection - all-day comfort - machine-washable - odor-controlling high-waisted throwback style, upgraded with chic mesh panels and their highest absorbency (5 tampons worth) Thinx underwear is not made or treated with PFAS. how Thinx do their thing Thinx period products are made with signature, innovative technology for the ultimate period protection. Thinx breathable products are safely made with cotton, nylon, and elastane (for a little stretch!) Machine wash cold, hang dry