Custom earplugs can be washed and reused, but over time your ears change shape, so they won’t last forever – probably about four to five years. Disposable ’plugs should be replaced after each use, but we all use them longer than that; just be aware that they’re an ideal breeding ground for bacteria, so don’t leave it until they’ve turned black.
Read more: motorcycle riders safety equipments
Read more: motorcycle riders safety equipments