Protective earplugs. Protection level 34 dB. The plugs are made of slow-recovery polyurethane foam that returns to its original shape. Even pressure distribution on the ear canal walls. Tight fit and optimal comfort. One size fits most people. The shape of the plugs is formed by hand by rolling them between the fingers. When inserted into the ear, the plug expands, ensuring a secure fit and preventing falling out. Each pair is packed in individual packaging.