Shhhh...don't breath a word when they ask how you look so amazing in that new sleek outfit. You have a secret. Me. *Wink.* I'm the Undie-tectable pair of Black Thongs that you simply can't do without. Just sayin'. These hidden in plain sight underwear feature a thick smoothing waistband to provide a smooth transition from hips to waist, a thong bottom complete with elastic-free edges and cotton gusset, and no visible lines from wear in this piece. Model is wearing a x-small. • 78% Nylon, 22% Spandex/Elastane. Lace: 80% Nylon, 20% Spandex/Elastane. Gusset: 100% Cotton • Hand Wash Cold • Unlined • Imported