Silver Flip Flop Keyring. A Silver Keyring in the shape of a Flip-Flop, this Silver flip flop Keyring has a nickel plated split ring. The Flip-Flop measures approx 3.5 cm long. The Silver Flip-Flop is fully hallmarked and is presented in a gift box. Ideal for the flip-flop lovers! This keyring cannot be engraved due to the ridges on the bottom.