Easy, do-it-yourself kit, molds in 10 minutes. Dozens of everyday uses including shooting sports, sporting events, construction, lawn care, assembly lines, farming,auto races, swimming, flying, factories and much more! Soft, permanent custom fit. Price discrepency: website says R332,50No mess. All day comfort. Simple, easy to follow instructions. Safe, non toxic and hypo-allergenic silicone. Environmentally friendly. Long lasting and washable. Made in the USA. NRR 26 (Noise Reduction Rating).