These earplugs are made of wax and are soft and comfortable, fitting perfectly in the ear. They are indicated to reduce noise levels and water ingress. They are ideal for people with insomnia, students, flights, etc. Directions for use: - Wash your hands and ears or clean them before inserting. - The plug must be whole and ball-shaped. Place the plug in the ear and flatten it to fit tightly. To loosen or remove it, press upwards behind the ear. - It is important NOT to insert it into the ear canal. Do not chop, cut, or swallow. - Discard when dirty or sticky.