There are many types of ear protection like ear plugs with and without cords and headphones with and without filters. Take a look at the features for this
Ear Plugs:
COLOR: Yellow (Plug), Black (Cord), NOISE
REDUCTION RATING NRR: 24dB, INCLUDES: (1) Pair of Small Ear Plugs; (1) Optional Cloth Cord; (1) Pocket-Pak Carrying Case; (1) Key Chain; Use Instructions