AirSoft Reusable Air Cushioned EarplugsAdvanced air pocket design features internal noise-blocking fins. Four-flange profile creates better seal in the ear canal. Less pressure in the ear canal eliminates that “plugged up” feeling. Rounded flanges, tapered shape fits better in the ear canal. Firm stem facilitates easy insertion and removal. Body Material: TPE; Color: Blue; Noise Reduction Rate (NRR): 27 dB; Packing Type: Poly Bag; Quantity: 100 pair per box; Type: Uncorded; Weight: 0.01 lb.