Decibullz Custom Molded Earplugs provide exceptional hearing protection with a Noise Reduction Rating (NRR) of 31dB, perfect for environments with high noise levels. These earplugs are designed to be easily molded to fit the unique shape of your ears, ensuring a secure and comfortable fit that won't fall out. The molding process is simple: heat the molds in boiling water, let them cool, and shape them to your ears. These earplugs are ideal for various situations including shooting, concerts, and industrial work.