From FitFlop, the Lulu Crystal-Mix Metallic Thong Wedge Sandals feature: Metallic synthetic and shimmering lurex yarn with sparkling sequins upper  APMA Seal of Acceptance, for footwear found to promote good foot health  Slip on Microfiber lining Triple-density Microwobbleboard™ midsole Slip resistant rubber outsole Approx. 1.5" wedge height Approx. 1" platform height  Imported.