Feature●Material: the flute open hole plugs are made of food grade silicone, non-toxic, reusable, safe to use●Package: includes 24 pieces flute hole covers, equipped with a black storage bag; Size (approx.): 8 x 3 mm/ 0.3 x 0.1 inch●Design: the flute key plugs are designed for open hole flutes; After installation, the tightness is moderate, not easy to fall off●Application: this flute key covers are very suitable for flute beginners until they learn the proper hand position required, easy removal●Warn note: the flute plug is a small music accessories, please stay away from children under the age of 3Description