Thumb Score: +32 Amazon has 50-Pair Mack's Ultra Soft Foam Earplugs (32dB NRR) on sale for $5.04 when you checkout via Subscribe & Save. Shipping is free. Thanks NightHound Note, you may cancel your Subscribe & Save subscription any time after your order ships. Select the later date from the "First Delivery On" menu to get traditional S&S checkout instead of adding to your cart.