Convenient carrying case Flexible stem material gently pushes the dimpled foam into the narrowing ear canal Ergonomically contoured paddle fits naturally between the finger and thumb, even while wearing work gloves TRUSTFIT POD Corded Multiple-Use Earplugs utilize soft foam with dimpled tip that collapses and can be easily pushed into the ear without the need to roll-down. The use of a contoured paddle allows for a natural fit between the finger and thumb, while a flexible stem material gently pushes the dimpled foam into the narrowing ear canal. Honeywell TRUSTFIT POD Multiple-Use Earplugs feature a Noise Reduction Rating (NRR) of 28. This set includes 3 packs and a carrying case.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }