Boyshort style Period Panties/Period Underwear Brand new, in sealed packaging shown! Heavy Days. Holds up to 2 regular tampons' worth. Can be used to replace/supplement tampons, period cups, etc! Ever wear boxer briefs to get comfy on your period? We can do you one better: the Boyshort has THINX protection without sacrificing le classique elastic waistband and crotchline details. Fabric: Body: 89% nylon, 11% elastane Gusset: 95% cotton, 5% elastane; middle breathable PUL