includes 2 pairs of flip-flop sandals textured thong-strap upper firm foot bed To measure your shoe size, place a piece of paper on the ground. Stand barefoot on the paper. Using a pen, draw an outline of your foot. Use measuring tape to measure the length of your foot on the paper. spot clean synthetic materials, with synthetic outsole partially derived from sugarcane. 100% . Best Holiday gift for Women , perfect Sandals for Christmas!