This is Radians Custom Molded Earplugs Hearing Protection Blue. Custom “do-it-yourself” kit for soft, permanent fit and long-lasting, washable earplugs. Environmentally friendly, non-toxic and hypo-allergenic silicone construction. This easy to use kit molds earplugs in 10 minutes. Dozens of everyday uses including shooting sports, sporting events, construction, lawn care, assembly lines, farming, auto races, swimming, flying, factories and more! NRR 26 dB (Noise Reduction Rating). These will come in a polybag (CEP001B) or a small retail box (CEP002B).