Thinx are washable, reusable underwear designed to replace pads and tampons, or be worn with tampons and cups for extra protection. Every pair is made with a patented design and signature technology to absorb your flow, wick moisture, control odor and prevent leaks, leaving you fresh, dry and comfortable. The Super Brief silhouette provides a relaxed fit in cozy, tag-less cotton and absorbs up to five regular tampons' worth. Content + Care. Body: 95% Cotton (organic), 5% elastane Gusset: 95% Cotton, 5% elastane Middle: 100% PUL Machine wash cold, hang dry ImportedSize + Fit. XS: 25-26" waist, 33-34" hip S: 27-28" waist, 37-38" hip M: 29-30" waist, 39-40" hip L: 31-32" waist, 41-42" hip XL: 33-34.5" waist, 43-44.5" hip Made with Responsible Material This item was produced using at least 50% responsible materials. These materials can include recycled content, textiles made with responsible sourcing or any components externally certified for reduced environmental impact.