Amazon has the 50-Pair Flents Foam Ear Plugs (NRRR 29) for $13.99 - 50% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $6.30 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders). Reduces harmful noise from traffic, machinery, heavy equipment, hand tools, music and more.