Decibullz Custom Molded Earplugs are easily and quickly fitted to the exact shape of your ear. This creates a perfect fitting earplug that will never hurt, never fall out and provide superior noise isolation. Simply heat the Decibullz thermoplastic molds in boiling water, let them cool for a bit, and shape them to your ears. That's it, and If you don't get the perfect fit the first time Decibullz are the only custom earplugs that are re-moldable. Decibullz are perfect for shooting, traveling, working, loud concerts, and safety. Decibullz Earplugs are made in the USA. Included: Two Decibullz Thermoplastic Custom Molds, Three Sets of Triple Flange Tips S, M, L, One Set of Max Protect MEDIUM Foam Tips, Earplug Carrying Pouch with Decibullz Logo. *Custom molded earplugs may become uncomfortable while sleeping on your side or stomach.