Flip Flops are sandals that have a piece of material separating the big toe and second toe and then attached to the sole on the sides of the foot to secure the shoe. Flip Flops are typically made out of rubber or rubber-like materials.
About Metallic:
Metallic refers to a material that represents or resembles metals such as gold, silver, or pewter. Metallic articles are very shiny, and often embellished by metal materials.