Natural rubber is biodegradable, and should degrade in about
50 years in a landfill. Waves Flip Flops are made from solid natural rubber, and therefore
will degrade in about 15 years. The difference between normal natural rubber and solid natural rubber is the cellular structure. Solid rubber is stronger and normal natural rubber is more spongeir and doesn’t have the same resistance.
Synthetic rubber will not degrade, and as you
know, is harmful to the environment.