Amazon has the 6-Count Salonpas 4% Lidocaine Pain Relieving Gel-Patch for $10.14 - 35% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $6.08 with free shipping on $25+ or with Prime. Maximum strength 4% Lidocaine patches provide numbing relief for up to 8 hours.