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 Sequins:
Sequins are small, flat, round-shaped pieces of a shiny plastic or metal, which are generally sewn onto clothing or footwear to reflect light and add shimmer.