【Individually Wrapped】: Individually packed foam ear plugs , small, ensure safety-sealed, clean and pollution-free use. When you go out to work or travel, just bring a few earplugs instead of a whole bottle, foam earplugs are very easy to carry and convenient distribution. 【Modern Design】: Contoured bullet head shape for easy insertion and removal. Smooth, closed-hole foam skin helps prevent dirt from accumulating. Appropriate earplug size provides the best ear protection, but low-pressure foam extends to fit virtually size of ear canal. 【Environmentally Friendly Materials】: Earplugs are made of environmentally friendly, quick recovery time, self-adjusting memory foam that expand in the ear upon insertion to create a secure seal for good hearing protection. Safety, comfortable, noise reducing foam.