Bullbells are made of metal. This interesting party, the noise of the cowbell makes a pleasant sound of the cowbell. It is very suitable for festivals and school and adult promotions. 100% recyclable material. There are many colours to choose from. This is the perfect way to boost team pride, special events and any other festivals you want to see and hear. Give this unique cowbell a shock during sports and anywhere you want to make a little noise. Make sure your company name rings all the time! The size is 23/4 "L x 211/32" W x 215/16 "H". Welcome to send inquiries!