Singers' syrup is indicated for tired vocal cords and in case of hoarseness. Erysimum syrup, made according to a centuries-old recipe already used by the singers of the Sistine Chapel choir in Rome in the 18th century, acts specifically on the vocal cords. Sisymbrium officinale, better known as erysimum, contains sulfur compounds that soften the vocal cords and help restore the voice. This syrup is recommended for anyone who uses their voice frequently (singers, actors, teachers, speakers, lawyers, etc.) - Ingredients: Elderberry and erysimum syrup, lemon essential oil, alder buds, cane sugar and honey - Directions for use: Adults: 1 teaspoon of coffee, 1 to 5 times a day. Children: 1/2 teaspoon of coffee, 1 to 5 times a day. Shake well before using - Measurements: Width: 49.99 cm, Height: 27.99 cm, Length: 49.99 cm, Weight: 0.2499 kg