Felina Treasure Microfiber Thong (530025). Seamless construction and fused technology make this thong panty perfect for everyday comfort. Made of nylon/spandex. Fused waist and leg openings are seamless. Silky microfiber is sensuously soft. Fused sides. Low rise. Fused-in knit crotch lining for comfort. Tagless. Thong panties provide minimal rear coverage.