2015 Good Pop Protection Ear Muff Earmuffs for Shooting Hunting Noise Reduction, 18.5 X 17.5cm / 7.3 X 6.9inch Adjustable headstrap to fit all sizes. Lightweight, high-impact plastic construction. Large ear cup openings, block noise effectively. Noise Reduction Rate ( NRR ): 26 db Ear Pad Size(L x W): 11 x 8cm /4.3 x 3.1inch Total Size(W x Max.H): 18.5 x 17.5cm / 7.3 x 6.9inch Material: Plastic, Faux Leather, Sponge, Color: Black, Red