arena Ergo Swim Ear Plug 

arena just made using earplugs while swimming even easier. Their color-coded Ergo earplugs simplify identifying which side you use each plug on. Made of ultra soft silicone and our Liquid Core Technology, Ergo is their most comfortable earplug yet. The hollow stems make them quick to grasp and improve hearing underwater. Seal out the water, seal in your focus.

These ear plugs are differentiated for left and right ear. One set per package.