Rainbow Crystal Premier Narrow Strap Sandals. Our kids Premier Leather on a non-slip Rainbow® bottom with a single layer but no arch. The Kids Crystals add a glamorous and feminine crystal embedded 1/2" narrow strap. Your little angel will sparkle! Non-slip Rainbow® bottom. Crystal embedded 1/2" narrow strap. Double stitched leather strap. Elastic back heel strap. Military spec nylon toe piece. Box X stitch pattern. Sewn with bonded nylon thread. Original Rainbow® woven label. Imported.