Material is EVA and PP With single and clear sound With different colors Pass ROHS. ... colorful ball, iron bell, jingle bell, brass bell, noise maker, ball which make noise, toot, fistula, speaker, horn, sound ... materials to make them. Pass ROHS. SoundBB single sound and Double single soundSizeDiameter is 15m/m, 25m/m, 32m/m ... 2004 Environment system. Various color and sizes noise maker for your choice.